What is Litecoin?
GUIDE · 10 MIN READ
What is Litecoin?
Litecoin (LTC) is a peer-to-peer cryptocurrency launched in 2011. It's one of the longest-running altcoins — a lightweight, fast alternative to Bitcoin with its own improvements. Here's the full picture.
What is Litecoin?
Litecoin is a cryptocurrency — a digital asset that moves between wallets on a public blockchain, secured by proof-of-work mining. It works like Bitcoin: send and receive value peer-to-peer, no bank or payment processor in between, keys controlled by the user or custodian. The differences from Bitcoin are deliberate parameter choices. Block time is 2.5 minutes instead of 10, so transactions confirm faster. The mining algorithm is scrypt instead of SHA-256, originally designed to be memory-hard and resist early ASIC domination. Total supply is capped at 84 million LTC, four times Bitcoin's 21 million — more units, more divisible. These parameter choices make Litecoin 'Bitcoin, faster and cheaper' in the positioning that held through its early years. In 2022, Litecoin added MWEB (MimbleWimble Extension Block) — an opt-in confidential transaction layer — which gave it a feature Bitcoin itself doesn't have. Litecoin is one of the longest-running cryptocurrencies in continuous operation; the chain has not stopped producing blocks since genesis in 2011.
What does LTC stand for?
LTC is the ticker symbol for Litecoin. 'LTC' stands for 'Litecoin' in the same way 'BTC' stands for Bitcoin — a three-letter ticker used across exchanges, wallets, and price feeds. The currency symbol is 'Ł' (a stylized lowercase L with a strikethrough), visually similar to Bitcoin's '₿'. When you see 'LTC' in a trading pair (e.g., LTC/USD, LTC/BTC), it always means Litecoin. Note the distinction: 'LTCN' is the ticker for the Grayscale Litecoin Trust — a traditional-finance paper vehicle that holds LTC on behalf of investors. LTC and LTCN are not the same asset. LTC is the cryptocurrency; LTCN is a security traded on OTC markets. For most cryptocurrency users, 'LTC' is the only ticker that matters.
A brief history of Litecoin
October 2011: launch
Charlie Lee, then a software engineer at Google, released Litecoin on October 13, 2011. The Litecoin codebase was a fork of Bitcoin with modified parameters — faster block time, scrypt mining, higher supply cap. Lee's framing was 'silver to Bitcoin's gold': a lighter, faster, more accessible version of the same idea.
2013: SegWit readiness
Litecoin adopted Segregated Witness (SegWit) ahead of Bitcoin — activation happened in May 2017, a few months before Bitcoin's own SegWit activation. This positioned Litecoin as a test bed for protocol upgrades that Bitcoin would later adopt.
2017: Charlie Lee sells his LTC
In December 2017, at the top of the late-2017 crypto bull run, Charlie Lee publicly announced he had sold nearly all his LTC holdings, citing a conflict of interest. The decision was controversial — some saw it as aligning incentives, others as abandonment — but Lee remained involved with the Litecoin Foundation.
2022: MWEB activation
After years of development, MWEB (MimbleWimble Extension Block) activated on Litecoin mainnet in May 2022 at block 2,257,920. MWEB added optional confidential transactions to Litecoin — the first major privacy upgrade to a top-tier proof-of-work chain of that size and longevity.
2023-2025: ETF filings and institutional interest
Multiple Litecoin ETF filings appeared from 2024 onward as the regulatory environment shifted post-Bitcoin ETF approval. LTCN (Grayscale Litecoin Trust) has traded on OTC markets since 2018. The combination of long operational history, low-KD institutional paper exposure, and MWEB privacy positioned Litecoin as one of a small set of cryptocurrencies with both crypto-native and TradFi-bridge relevance.
How Litecoin works
Proof-of-work with scrypt
Litecoin miners solve computational puzzles using the scrypt algorithm. The first miner to find a valid block broadcasts it; other nodes verify and accept. Scrypt was chosen to be memory-hard — more resistant to early CPU/GPU-only mining than SHA-256 — though ASIC miners specialized in scrypt now dominate Litecoin mining hashrate.
2.5-minute block time
Litecoin produces a new block every 2.5 minutes on average, four times faster than Bitcoin's 10-minute target. Faster blocks mean transactions confirm sooner — valuable for retail payments or any use case where waiting 10+ minutes for first confirmation feels slow.
84 million supply cap, halving every 840,000 blocks
Litecoin's total supply is capped at 84 million LTC. New LTC is created through mining — the block reward halves every 840,000 blocks (roughly every four years). Past halvings: 2015 (50 → 25 LTC), 2019 (25 → 12.5), 2023 (12.5 → 6.25). Next: 2027 (6.25 → 3.125).
SegWit and Lightning
Litecoin supports Segregated Witness (SegWit) and the Lightning Network — second-layer scaling for fast, cheap payments. Lightning on Litecoin works the same way as on Bitcoin: payment channels between users route through the network, settling on-chain only when channels close.
MWEB for optional privacy
MWEB is an extension block — a second chain that runs alongside the main Litecoin ledger. Users move LTC into MWEB (peg-in), transact confidentially inside, and move LTC back out to the standard ledger (peg-out). The on-chain activity within MWEB is confidential; peg-in/peg-out events are visible on the standard chain but the amounts and destinations inside MWEB are not.
Litecoin vs Bitcoin
| Feature | Parameter | Litecoin (LTC) | Bitcoin (BTC) |
|---|---|---|---|
| Launched | October 2011 | January 2009 | |
| Block time | 2.5 minutes | 10 minutes | |
| Mining algorithm | Scrypt | SHA-256 | |
| Total supply cap | 84 million | 21 million | |
| Halving interval | Every 840,000 blocks (~4 years) | Every 210,000 blocks (~4 years) | |
| SegWit activated | May 2017 | August 2017 | |
| Lightning Network | Yes | Yes | |
| Native privacy (on-chain) | MWEB (optional, activated 2022) | None | |
| Smart contract layer | LitVM (emerging) | None at base layer | |
| Typical on-chain fee | Sub-cent | Varies — cents to dollars |
Launched
Block time
Mining algorithm
Total supply cap
Halving interval
SegWit activated
Lightning Network
Native privacy (on-chain)
Smart contract layer
Typical on-chain fee
Who created Litecoin?
Charlie Lee created Litecoin. He published the first release on October 13, 2011 while working as a software engineer at Google. Lee later worked at Coinbase before leaving in 2017 to focus on Litecoin development. He founded the Litecoin Foundation, a non-profit that supports the Litecoin ecosystem. In December 2017, Lee sold or donated nearly all his personal LTC holdings, citing a conflict of interest between his visibility as Litecoin's public face and his financial exposure to the asset. He remains involved in Litecoin advocacy and Foundation activities, though he is no longer the sole central figure. Like Bitcoin (whose pseudonymous creator Satoshi Nakamoto stepped back early), Litecoin's development is now distributed across many contributors — the protocol codebase, wallet projects like Lite Wallet, and independent developers building on LitVM and MWEB.
Is Litecoin safe?
Litecoin the protocol has operated continuously since 2011 without a successful 51% attack or fundamental consensus failure. The chain is secured by substantial scrypt-ASIC hashrate. 'Safe' for cryptocurrency users typically has three layers: chain-level security (Litecoin is strong), wallet-level security (depends on the wallet you choose and how you handle your keys), and behavioral security (avoiding phishing, storing recovery phrases correctly, not trusting strangers with your coins). For chain-level security, Litecoin ranks among the most established proof-of-work chains. For wallet-level security, use a non-custodial wallet like Lite Wallet and — for larger balances — pair it with a hardware wallet like Ledger or Trezor. For behavioral security, the basics matter: write your paper key on paper, never photograph it, never type it into a browser.
What is Litecoin used for?
Peer-to-peer payments
Litecoin's fast block time and low fees make it well-suited for actual payments — sending value to another person or paying a merchant. Compared to Bitcoin's standard on-chain transactions (where fees can spike during congestion), Litecoin's sub-cent typical fees have historically held.
Store of value (long tail)
Many holders treat LTC similarly to BTC — a long-term position held across cycles. The capped supply and long operational history support the store-of-value case. It's a more speculative store of value than Bitcoin, with less institutional adoption, but a longer track record than most altcoins.
Confidential transactions via MWEB
For users who want transaction-level privacy on a mainstream proof-of-work chain, MWEB gives Litecoin a niche that few comparable chains offer.
DeFi and tokens (via LitVM)
The emerging LitVM layer and LTC-20 token standard are expanding Litecoin's use cases into smart contracts and DeFi. This is early — expect growing but variable ecosystem coverage.
MWEB: Litecoin's privacy upgrade
MWEB is the protocol feature that most distinguishes Litecoin from Bitcoin today. Activated in May 2022, it adds confidential transactions as an opt-in feature. Lite Wallet supports MWEB on every platform — desktop and mobile.