Litecoin
LTC
A peer-to-peer electronic cash
Top Markets
Summary
Key Metrics
24h Volume
The aggregate trading volume for LTC on Bittrex over the past 24hrs, in USD.
Circulating Supply
Amount of LTC that is currently available to the public and in circulation.
Market Cap
The Marketcap is calculated using the last price on Bittrex and liquid supply sourced from Messari.io
Key Info
Sector
Currencies
Category
Payments
Token Type
Native
Token Usage
Payments
Consensus Algorithm
Proof-of-Work
On-Chain Governance Type
Delegative on-chain vote
overview

Created in October 2011 by ex Google and Coinbase engineer, Charlie Lee, Litecoin is a fork of Bitcoin’s source code that posits itself as “a silver to Bitcoin’s gold.” Technically, Litecoin is nearly identical to Bitcoin with key differences relating to block time, supply, hashing algorithm, and initial distribution. Litecoin aimed to keep the best aspects of Bitcoin while making some optimizations for its use as a medium of exchange.

Notably, Litecoin implements 2.5 minute block times and an 84 million max supply. Charlie Lee’s original thinking was that quicker block confirmations would increase transaction throughput and reduce the amount of time merchants would need for block confirmations. Additionally, he thought the 84 million max supply would prevent the coin from becoming too scarce and expensive. Litecoin uses Scrypt, a memory intensive hashing algorithm, in order to better allow individuals to mine Litecoin with commodity hardware (although ASICs have been developed for Litecoin mining over the past few years). Finally, Charlie Lee, recognizing the mistakes of the few altcoins launched prior to Litecoin, wanted Litecoin to be launched in a fair manner, electing to only do a 150 coin (3 block) premine to allow people to get in early.

Charlie Lee left Coinbase in June 2017 to head the Litecoin foundation, which stewards the Litecoin project, and finances Litecoin Core development.

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token

LTC is used as a native currency within the Litecoin network. LTC can be used for peer-to-peer payments and value storage within the Litecoin network. With its faster block times, Litecoin aims to offer higher on-chain throughout and quicker confirmation times than Bitcoin. However, similar to Bitcoin, Litecoin plans to ultimately scale using layer 2 solutions such as the lightning network.

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consensus

Consensus

Litecoin uses Nakamoto Consensus whereby the valid chain is the longest chain with the most accumulated proof-of-work. Consensus in Litecoin, and other systems using Nakamoto Conensus, is probabilistic because there is always a chance that a new, longer competing chain could emerge with more accumulated proof-of-work, that would invalidate the current chain.

Mining

Miners solve computational puzzles to generate new blocks using a Scypt algorithm. In this process, miners compete to generate a hash less than the target number set by Litecoin’s difficulty adjustment algorithm. Similar to Bitcoin, the target difficulty level is adjusted every 2016 blocks; however, due to Litecoin’s 2.5 minute block times, Litecoin’s difficulty level adjusts more quickly than Bitcoin’s.

Litecoin originally implemented the Scrypt algorithm for its memory intensive properties, which made it more resistant to ASICs; however, over time Litecoin’s ASIC resistant properties have eroded with Scrypt-capable ASICs having been developed. Furthermore, in order to smooth individual miner revenue as mining has become more competitive, mining is now done in pools where participants contribute hash power to the pool and receive a proportional share of the profits if the pool finds a valid block.

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technology

Litecoin, the protocol, is a distributed, time-stamped ledger of unspent transaction output (UTXO) transfers stored in an append-only chain of 1MB data blocks. A network of mining and economic nodes maintains this blockchain by validating, propagating, and competing to include pending transactions (mempool) in new blocks. Economic nodes (aka “full nodes”) receive transactions from other network participants, validate them against network consensus rules and double-spend vectors, and propagate the transactions to other full nodes that also validate and propagate. Valid transactions are sent to the network’s mempool waiting for mining nodes to confirm them via inclusion in the next block.

Mining nodes work to empty the mempool usually in a highest-to-lowest fee order by picking transactions to include in the next block and racing against each other to generate a hash less than the target number set by Litecoin’s difficulty adjustment algorithm. Litecoin uses a Proof-of-Work (PoW) consensus mechanism to establish the chain of blocks with the most accumulated “work” (a.k.a., energy spent on solved hashes) as the valid chain. Other network peers can cheaply verify the chain’s work.

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governance

Litecoin developement is open to the open source community. Protocol development is governed by a proposal process whereby anyone in the open source Litecoin community can submit Litecoin Improvement Proposals (“LIPs”). After debate by the community, the Litecoin Core editors, whom are supported by the Litecoin foundation, accept or reject the proposals. Decisions from the process are written into the Litecoin specification, as well as the software that runs the network. Finally, protocol changes are “ratified” on-chain when the majority of the network adopts the upgrade and doesn’t break consensus.

Although Litecoin Core and the Litecoin Foundation are separate, they work closely together on the Litecoin project with the Litecoin Foundation providing funding to Litecoin core developers.

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