What Is Litecoin (LTC) and How Does It Work in the Crypto Ecosystem?

Litecoin (LTC) is a peer-to-peer cryptocurrency created in 2011 by former Google engineer Charlie Lee as a fork of Bitcoin. Designed to address Bitcoin’s slower transaction speeds and higher fees, Litecoin offers a 2.5-minute block generation time compared to Bitcoin’s 10 minutes, making it four times faster for transaction confirmation. Often called “Digital Silver” to Bitcoin’s “Digital Gold,” Litecoin has maintained its position as one of the longest-running and most established cryptocurrencies in the market. The project uses the Scrypt hashing algorithm instead of Bitcoin’s SHA-256, which makes mining more accessible to individuals using consumer-grade hardware. With a maximum supply capped at 84 million coins—four times Bitcoin’s 21 million—Litecoin serves as a practical alternative for everyday transactions, remittances, and microtransactions. As of 2026-06-23, Litecoin continues to be widely adopted by merchants and payment processors seeking a balance between decentralization, speed, and cost-efficiency.

Key Takeaway: Litecoin delivers faster transaction confirmation times and lower fees than Bitcoin while maintaining robust security through its proof-of-work consensus mechanism. The Scrypt algorithm democratizes mining participation, and the 84 million coin supply cap provides long-term scarcity. Litecoin’s positioning as “Digital Silver” reflects its role as a complementary payment network to Bitcoin, particularly suited for remittances, merchant payments, and daily transactions. The network’s consistent development and adoption make it a foundational asset in the cryptocurrency ecosystem.

What Is Litecoin (LTC)?

Litecoin is an open-source, decentralized cryptocurrency that operates on a peer-to-peer network without central authority or intermediaries. Created by Charlie Lee in October 2011 and launched on GitHub under the MIT/X11 license, Litecoin was designed as a “lite” version of Bitcoin—maintaining Bitcoin’s core principles while improving transaction speed and accessibility. The project emerged during the early days of cryptocurrency development when Bitcoin’s limitations in transaction throughput and mining centralization became apparent.

Litecoin’s blockchain uses a proof-of-work consensus mechanism, meaning miners compete to solve cryptographic puzzles to validate transactions and secure the network. However, unlike Bitcoin’s SHA-256 algorithm, Litecoin employs Scrypt, a memory-intensive hashing function originally designed to resist ASIC mining dominance. While ASIC miners for Scrypt eventually emerged, the algorithm initially allowed more individuals to participate in mining using standard GPUs and CPUs, contributing to a more distributed mining ecosystem during Litecoin’s early years.

The network generates blocks every 2.5 minutes, enabling faster transaction confirmations than Bitcoin’s 10-minute block time. This design choice makes Litecoin more suitable for point-of-sale transactions and scenarios where users need quicker settlement. Transaction fees on the Litecoin network have historically remained lower than Bitcoin’s, often measured in fractions of a cent, making it economically viable for smaller-value transfers and microtransactions.

Litecoin’s total supply is capped at 84 million coins, with new LTC created through block rewards that halve approximately every four years (every 840,000 blocks). As of 2026-06-23, the majority of Litecoin’s supply has already been mined, following its predictable issuance schedule. The project has undergone several technical upgrades over its lifespan, including Segregated Witness (SegWit) activation in 2017 and ongoing development of privacy features such as MimbleWimble Extension Blocks (MWEB), which enhance transaction confidentiality without compromising the base layer’s transparency.

Why Is Litecoin in Focus Now?

Litecoin maintains relevance in 2026 due to its established track record, consistent development, and practical utility in the payments sector. While newer cryptocurrencies have emerged with various features and use cases, Litecoin’s longevity and stability position it as a proven alternative to Bitcoin for everyday transactions. The cryptocurrency has survived multiple market cycles, regulatory scrutiny, and technological shifts, demonstrating resilience that newer projects have yet to prove.

Recent developments in Litecoin’s ecosystem include the ongoing integration of MimbleWimble Extension Blocks, which provide optional privacy features for users who want confidential transactions. This upgrade addresses growing demand for transaction privacy without forcing all users to adopt privacy features, maintaining regulatory compliance flexibility. The MWEB implementation allows users to move coins into a privacy-enhanced sidechain and back to the main chain, balancing transparency with confidentiality.

Litecoin’s adoption in payment processing continues to expand, with integration into major cryptocurrency payment gateways, point-of-sale systems, and remittance services. The network’s low fees and fast confirmation times make it attractive for merchants who want to accept cryptocurrency payments without exposing customers to high transaction costs. Several payment processors and crypto debit card providers support Litecoin, enabling users to spend LTC at millions of merchants worldwide.

The cryptocurrency’s positioning as “Digital Silver” has evolved from marketing metaphor to functional reality. While Bitcoin increasingly serves as a store of value and settlement layer for large transactions, Litecoin fills the role of a medium of exchange for smaller, more frequent payments. This complementary relationship mirrors the historical relationship between gold and silver in traditional monetary systems, where silver handled everyday commerce while gold served as a reserve asset.

Litecoin’s development community remains active, with ongoing work on protocol improvements, wallet software, and ecosystem tools. The Litecoin Foundation, a non-profit organization supporting the project, continues to fund development, promote adoption, and coordinate with businesses and developers. This sustained organizational support distinguishes Litecoin from many cryptocurrency projects that lack long-term institutional backing.

How Does Litecoin Work?

Litecoin operates on a decentralized blockchain network where transactions are validated by miners using the Scrypt proof-of-work algorithm. When a user initiates a Litecoin transaction, they broadcast it to the network, where it enters a pool of unconfirmed transactions called the mempool. Miners select transactions from the mempool, verify their validity, and bundle them into blocks. Each block contains a cryptographic reference to the previous block, creating an immutable chain of transaction history.

The Scrypt algorithm requires miners to perform memory-intensive computations, which originally made it resistant to the specialized ASIC mining hardware that dominated Bitcoin mining. While Scrypt ASICs were eventually developed, the algorithm still requires more memory bandwidth than Bitcoin’s SHA-256, contributing to a different mining hardware landscape. This design choice aimed to prevent mining centralization and maintain broader participation in network security.

Litecoin’s 2.5-minute block time means that transactions receive their first confirmation four times faster than Bitcoin transactions. For most use cases, merchants and users consider transactions with one to three confirmations sufficiently secure, translating to 2.5 to 7.5 minutes for practical settlement. This speed advantage makes Litecoin more suitable for retail environments where customers cannot wait 10-30 minutes for Bitcoin confirmations.

Transaction fees on Litecoin are determined by network congestion and transaction size (measured in bytes). Users can set custom fees, with higher fees incentivizing miners to prioritize their transactions. However, even during periods of high network activity, Litecoin fees typically remain lower than Bitcoin fees due to the network’s larger block capacity and faster block generation. The average transaction fee on Litecoin has historically ranged from a fraction of a cent to a few cents (as of 2026-06-23), making it economically viable for small-value transfers.

Litecoin implemented Segregated Witness (SegWit) in 2017, a protocol upgrade that separates transaction signature data from transaction data, increasing the effective block capacity and enabling second-layer solutions like the Lightning Network. SegWit adoption on Litecoin has been significant, with a large percentage of transactions using the upgraded format. This compatibility with Bitcoin’s SegWit implementation allows for potential cross-chain interoperability and shared technological development.

The MimbleWimble Extension Blocks feature, activated in 2022, provides optional privacy for Litecoin transactions. Users can move LTC into the MWEB sidechain, where transactions are confidential and use a different cryptographic scheme that obscures amounts and addresses. Coins can then be moved back to the main chain, providing flexibility for users who want privacy for specific transactions while maintaining the main chain’s transparency for regulatory compliance and auditability.

What Is the Role of the Litecoin Token?

The LTC token serves multiple functions within the Litecoin ecosystem, primarily acting as a medium of exchange for peer-to-peer transactions. Unlike utility tokens designed for specific platforms or applications, LTC functions as digital currency—a store of value and payment mechanism that users can send, receive, and hold without intermediaries. The token’s design prioritizes transaction efficiency and cost-effectiveness over complex smart contract functionality.

LTC holders can use the token for everyday purchases at merchants that accept cryptocurrency payments, either directly through Litecoin-enabled payment processors or indirectly through crypto debit cards that convert LTC to fiat at the point of sale. The token’s lower transaction fees and faster confirmation times make it practical for smaller purchases where Bitcoin’s fees might represent a significant percentage of the transaction value.

In the remittance market, LTC serves as a cost-effective alternative to traditional money transfer services. Users can send Litecoin across borders without the high fees and delays associated with bank wire transfers or remittance companies. Recipients can either hold LTC, convert it to local currency through exchanges, or use it directly where cryptocurrency payments are accepted. This use case is particularly relevant in regions with limited banking infrastructure or high remittance costs.

Litecoin also functions as a trading pair on cryptocurrency exchanges, where it serves as a base currency for trading other digital assets. Many exchanges list LTC trading pairs, allowing users to exchange Litecoin for Bitcoin, stablecoins, or altcoins without first converting to fiat currency. This liquidity and exchange integration contribute to LTC’s utility as a bridge currency within the broader cryptocurrency ecosystem.

The token plays a critical role in network security through its proof-of-work mining mechanism. Miners receive newly created LTC as block rewards, incentivizing them to contribute computational power to secure the network. As block rewards decrease through halving events, transaction fees will increasingly compensate miners, creating a sustainable economic model for long-term network security. The current block reward (as of 2026-06-23) is 6.25 LTC per block, following the most recent halving in 2023.

Tokenomics and Market Data

Litecoin’s tokenomics follow a predictable, transparent issuance schedule similar to Bitcoin’s deflationary model. The maximum supply is fixed at 84 million LTC, with approximately 73 million coins already in circulation (as of 2026-06-23). New coins are created through mining rewards, which started at 50 LTC per block and halve every 840,000 blocks (approximately every four years). The most recent halving occurred in August 2023, reducing the block reward from 12.5 LTC to 6.25 LTC.

The halving mechanism creates programmatic scarcity, reducing the rate of new supply entering the market over time. This deflationary pressure, combined with sustained or growing demand, theoretically supports long-term value appreciation, though market dynamics involve numerous variables beyond supply constraints. The final Litecoin is expected to be mined around the year 2142, after which miners will rely entirely on transaction fees for compensation.

Litecoin’s distribution occurred through mining rather than pre-mine or initial coin offering, meaning no coins were allocated to founders or early investors before the network launched. Charlie Lee and early adopters acquired LTC through mining or market purchases, contributing to a more decentralized initial distribution compared to many newer cryptocurrency projects. This fair launch model aligns with Bitcoin’s principles and enhances Litecoin’s credibility as a decentralized network.

Mining economics for Litecoin depend on several factors including LTC price, mining difficulty, electricity costs, and hardware efficiency. Scrypt ASIC miners dominate Litecoin mining (as of 2026-06-23), with hash rate concentrated among mining pools that aggregate individual miners’ computational power. The network’s hash rate serves as a security metric, with higher hash rates indicating greater computational power required to attack the network. Litecoin’s hash rate has remained stable over recent years, demonstrating continued miner interest and network security.

The token’s market capitalization places it among the top cryptocurrencies by valuation, though its ranking has fluctuated as newer projects have entered the market. Litecoin maintains significant trading volume across major exchanges, providing liquidity for users who want to buy, sell, or trade LTC. The token is listed on virtually all major cryptocurrency exchanges, including centralized platforms like OneBullEx, Binance, Coinbase, and Kraken, as well as decentralized exchanges that support wrapped or bridged versions of LTC.

Key Use Cases

Litecoin’s primary use cases center on payments, remittances, and value transfer, leveraging its speed and cost advantages over Bitcoin. Merchants in various industries accept LTC for goods and services, from e-commerce platforms to physical retailers using cryptocurrency payment processors. The token’s integration with payment gateways like BitPay, CoinGate, and others enables businesses to accept Litecoin without managing cryptocurrency wallets or exchange rate volatility directly.

Cross-border remittances represent a significant use case for Litecoin, particularly in corridors where traditional remittance services charge high fees. Workers sending money to family members in other countries can use Litecoin to bypass intermediaries, reducing costs from typical 5-10% remittance fees to fractions of a cent in network fees. Recipients can convert LTC to local currency through peer-to-peer exchanges, cryptocurrency ATMs, or local exchange services, depending on regional infrastructure.

Cryptocurrency traders use Litecoin as a transfer currency between exchanges or wallets. When moving value between platforms, LTC’s fast confirmation times and low fees make it more efficient than Bitcoin for this purpose. Traders can convert assets to LTC, transfer to another exchange, and convert to their desired trading pair, often completing the process in minutes rather than hours. This utility supports arbitrage opportunities and portfolio rebalancing across multiple platforms.

Litecoin serves as an on-ramp and off-ramp between fiat currency and cryptocurrency for users in regions with limited banking access or restrictive financial regulations. Peer-to-peer platforms and local exchanges often support LTC trading, allowing users to buy cryptocurrency with cash or local payment methods and later sell for fiat when needed. This function provides financial access to individuals who cannot easily use traditional banking services or international payment systems.

The cryptocurrency’s compatibility with the Lightning Network, a second-layer scaling solution, enables instant, near-zero-fee microtransactions. While Lightning Network adoption on Litecoin remains smaller than on Bitcoin, the technology allows for use cases like streaming micropayments, pay-per-use services, and high-frequency small-value transfers that would be impractical on the base layer. Lightning channels can also facilitate atomic swaps between Litecoin and Bitcoin, enabling trustless cross-chain exchanges.

Privacy-conscious users can leverage Litecoin’s MimbleWimble Extension Blocks for confidential transactions. While not a primary use case for most users, MWEB provides an option for individuals who want to obscure transaction amounts and addresses for legitimate privacy reasons. This feature positions Litecoin as a balanced option between fully transparent blockchains like Bitcoin and privacy-focused cryptocurrencies like Monero, offering privacy as an opt-in feature rather than a default requirement.

Main Risks

Litecoin faces several risks that potential users and investors should understand before engaging with the network or holding LTC. Market volatility remains a primary concern, as cryptocurrency prices can fluctuate significantly based on market sentiment, macroeconomic conditions, regulatory developments, and technological changes. LTC’s price has historically correlated with Bitcoin’s movements, meaning broader cryptocurrency market downturns typically affect Litecoin’s valuation. This volatility creates uncertainty for merchants accepting LTC and users holding the token as a store of value.

Competition from other cryptocurrencies represents an ongoing challenge for Litecoin’s market position. Newer blockchain networks offer faster transaction speeds, lower fees, smart contract functionality, or other features that may attract users and developers away from Litecoin. Payment-focused cryptocurrencies like Bitcoin Cash, Dash, and various stablecoins compete for the same use cases that Litecoin targets. Additionally, Bitcoin’s Lightning Network development potentially reduces Litecoin’s speed and cost advantages by enabling fast, cheap Bitcoin transactions through second-layer channels.

Regulatory risk affects all cryptocurrencies, including Litecoin. Governments worldwide continue to develop cryptocurrency regulations, with some jurisdictions imposing restrictions on trading, mining, or use of digital assets. While Litecoin’s transparent blockchain and lack of built-in privacy features (outside optional MWEB) may provide regulatory advantages over privacy coins, changing regulations could still impact exchange listings, merchant acceptance, or user adoption. Tax treatment of cryptocurrency transactions varies by jurisdiction and may create compliance burdens for users.

Mining centralization poses a potential security risk, though Litecoin has maintained relatively distributed mining compared to some other proof-of-work networks. Large mining pools control significant percentages of the network hash rate, creating theoretical 51% attack vectors where a malicious actor could potentially reorganize recent blocks. While such attacks would be economically irrational for established miners, the concentration of hash power in specific pools or geographic regions represents a structural vulnerability. Mining hardware concentration among ASIC manufacturers also creates supply chain dependencies that could affect network security if hardware production or distribution is disrupted.

Technology risk includes potential software bugs, protocol vulnerabilities, or cryptographic weaknesses that could compromise network security or user funds. While Litecoin’s codebase is based on Bitcoin’s extensively tested software and has operated for over a decade without major security failures, the possibility of undiscovered vulnerabilities exists. Protocol upgrades like MimbleWimble Extension Blocks introduce new code that requires thorough testing and security audits to prevent exploits. Users also face risks from wallet software bugs, phishing attacks, and improper key management that could result in loss of funds.

Adoption risk reflects uncertainty about Litecoin’s long-term relevance and user growth. If merchant acceptance stagnates, transaction volume declines, or users migrate to alternative payment networks, Litecoin’s utility and value proposition could diminish. The cryptocurrency ecosystem evolves rapidly, and projects that fail to innovate or maintain developer activity risk becoming obsolete. While Litecoin has demonstrated longevity, sustained adoption requires continued development, marketing, and ecosystem growth to compete with newer projects and established alternatives.

What to Watch Next

Several factors will influence Litecoin’s trajectory and should be monitored by users, investors, and observers of the cryptocurrency ecosystem. MimbleWimble Extension Blocks adoption represents a key metric for understanding user demand for privacy features. Tracking the percentage of transactions using MWEB versus regular Litecoin transactions will indicate whether privacy functionality drives additional adoption or remains a niche feature. Regulatory responses to MWEB implementation will also signal how jurisdictions treat optional privacy features compared to fully private cryptocurrencies.

Merchant adoption trends and payment processor integration will determine whether Litecoin maintains its position as a practical payment cryptocurrency. Monitoring announcements from major payment processors, point-of-sale systems, and e-commerce platforms regarding Litecoin support provides insight into real-world utility. Growth in transaction volume and active addresses indicates organic adoption, while declining metrics may suggest users are migrating to alternative payment networks or stablecoins.

Litecoin’s hash rate and mining economics deserve attention as block rewards continue to decrease through halving events. The next halving, expected around 2027, will reduce block rewards to 3.125 LTC, further decreasing miner revenue from new coin issuance. If transaction fee revenue does not adequately compensate miners, hash rate could decline, potentially affecting network security. Conversely, sustained or growing hash rate despite lower block rewards would demonstrate strong miner confidence and network security resilience.

Development activity and protocol upgrades indicate the project’s technical vitality and long-term viability. Following Litecoin’s GitHub repository, developer communications, and Litecoin Foundation announcements will reveal planned improvements, bug fixes, and new features. Significant protocol changes require community consensus and coordination with miners, exchanges, and wallet providers, making the upgrade process a key indicator of network coordination and governance effectiveness.

Bitcoin’s technological developments, particularly Lightning Network adoption and scaling solutions, will impact Litecoin’s competitive position. If Bitcoin successfully scales to handle high transaction volumes with low fees through second-layer solutions, Litecoin’s primary value proposition as a faster, cheaper alternative diminishes. Alternatively, if Bitcoin remains focused on settlement and store of value while Litecoin specializes in payments, the complementary relationship could strengthen both networks.

Regulatory developments globally will shape Litecoin’s operating environment, particularly regarding cryptocurrency taxation, securities classification, and privacy features. Jurisdictions that provide clear, favorable regulatory frameworks may see increased Litecoin adoption, while restrictive regulations could limit exchange listings or merchant acceptance. Monitoring regulatory announcements from major markets like the United States, European Union, and Asia-Pacific regions will help anticipate potential impacts on Litecoin’s ecosystem.

Macroeconomic conditions and broader cryptocurrency market trends will influence LTC’s price and adoption. Factors such as inflation rates, monetary policy, institutional cryptocurrency adoption, and risk appetite in financial markets affect cryptocurrency valuations across the board. Litecoin’s correlation with Bitcoin means that Bitcoin market cycles, halving events, and institutional interest will likely impact LTC as well, though Litecoin-specific developments may cause price divergence.

Key Takeaways

Litecoin remains one of the most established and longest-running cryptocurrencies, offering practical advantages for payments, remittances, and value transfer. Its 2.5-minute block time and low transaction fees provide clear benefits over Bitcoin for everyday transactions, while maintaining robust security through proof-of-work mining and a decentralized network. The Scrypt algorithm initially democratized mining participation, though ASIC miners now dominate the network, similar to Bitcoin’s evolution.

The cryptocurrency’s positioning as “Digital Silver” reflects its complementary relationship with Bitcoin, serving as a medium of exchange while Bitcoin increasingly functions as a store of value. This role differentiation may prove sustainable as the cryptocurrency ecosystem matures and different assets specialize in different use cases. Litecoin’s fair launch, transparent issuance schedule, and lack of pre-mine contribute to its credibility as a decentralized digital currency.

MimbleWimble Extension Blocks represent a significant technical achievement, providing optional privacy features that balance user confidentiality with regulatory compliance needs. This approach distinguishes Litecoin from both fully transparent blockchains and mandatory privacy coins, potentially offering a middle ground that appeals to users seeking privacy without regulatory complications. However, adoption of privacy features remains uncertain and will depend on user demand and regulatory responses.

Practical considerations for potential users include understanding that cryptocurrency volatility affects LTC’s value, transaction confirmation times require 2.5 to 7.5 minutes for reasonable security, and exchange availability is widespread but varies by jurisdiction. Users interested in holding or transacting with Litecoin should secure their private keys properly, understand tax obligations in their jurisdiction, and recognize that cryptocurrency payments are generally irreversible once confirmed on the blockchain.

For those considering Litecoin in a trading context, platforms like OneBullEx offer LTC trading pairs that enable users to access Litecoin markets with advanced trading tools. However, trading involves significant risk, particularly with leveraged products, and users should thoroughly understand market dynamics and risk management before engaging in cryptocurrency trading.

Frequently Asked Questions

What makes Litecoin different from Bitcoin?

Litecoin differs from Bitcoin primarily in its faster block generation time (2.5 minutes versus 10 minutes), larger maximum supply (84 million versus 21 million), and use of the Scrypt hashing algorithm instead of SHA-256. These differences make Litecoin faster for transaction confirmation and initially more accessible for mining with consumer hardware. Litecoin also implemented SegWit earlier than Bitcoin and has added optional privacy features through MimbleWimble Extension Blocks, which Bitcoin does not have on its base layer.

Can Litecoin be mined at home?

While technically possible, profitable home mining of Litecoin requires significant investment in specialized Scrypt ASIC mining hardware and access to low-cost electricity. Consumer-grade computers and GPUs are no longer competitive for Litecoin mining due to the network’s high difficulty and dominance of ASIC miners. Most individual miners join mining pools to combine computational power and receive more consistent rewards. Home mining profitability depends on local electricity costs, hardware efficiency, and LTC price, with many regions finding it economically unviable.

What is the maximum supply of Litecoin?

Litecoin has a fixed maximum supply of 84 million coins, four times Bitcoin’s 21 million cap. As of 2026-06-23, approximately 73 million LTC have been mined, with the remaining coins to be gradually released through block rewards that halve approximately every four years. The final Litecoin is expected to be mined around 2142, after which miners will rely entirely on transaction fees for compensation. This supply cap creates programmatic scarcity similar to Bitcoin’s deflationary model.

How does Litecoin ensure security?

Litecoin’s security relies on its proof-of-work consensus mechanism using the Scrypt algorithm, where miners compete to solve cryptographic puzzles to validate transactions and add blocks to the blockchain. The network’s hash rate, representing total computational power securing the chain, makes it economically and technically infeasible for attackers to rewrite transaction history or double-spend coins. Decentralization of mining power across multiple pools and geographic regions further enhances security by preventing single points of control or failure.

Is Litecoin widely accepted for payments?

Litecoin enjoys broader merchant acceptance than most cryptocurrencies outside of Bitcoin, with integration into major payment processors like BitPay, CoinGate, and others that enable thousands of merchants to accept LTC. However, cryptocurrency payment adoption overall remains limited compared to traditional payment methods. Users can spend Litecoin at select online retailers, through crypto debit cards that convert LTC to fiat at point of sale, and at businesses that directly accept cryptocurrency. Adoption varies significantly by region and industry, with online services generally offering more cryptocurrency payment options than physical retailers.

What are the risks of holding Litecoin?

Primary risks include price volatility, with LTC value fluctuating significantly based on market conditions and sentiment. Regulatory changes could impact exchange listings or usage in certain jurisdictions. Competition from other cryptocurrencies and payment networks may reduce Litecoin’s market share and relevance over time. Technical risks include potential software vulnerabilities, though Litecoin’s long operational history suggests robust code security. Mining centralization could theoretically enable network attacks, though economic incentives make such attacks irrational for established miners. Users also face personal security risks from wallet hacks, phishing, and improper key management.

Cryptocurrency prices are highly volatile. This article is for educational purposes only and does not constitute financial, investment, legal, or tax advice. Always do your own research and consider your financial situation and risk tolerance before making any decision. Market data, rankings, and statistics reflect sources available at the time of writing (2026-06-23) and may change rapidly. Past performance, historical data, or market trends do not guarantee future outcomes. Litecoin is available on various cryptocurrency exchanges, but availability, features, and regulatory status may vary by region. Users should review official terms, understand the risks of cryptocurrency transactions, and ensure compliance with local regulations before acquiring, holding, or trading LTC.