Latency

The amount of time that takes from the submission of the transaction until it is confirmed and accepted to the blockchain.

Layer 2

Refers to a second layer protocol that is built on top of a blockchain with the purpose of increasing transaction speed and scalability.

Ledger

A physical or digital file where payments and transactions are tracked and recorded.

Lightning Network

The second layer payment protocol executed on top of the blockchain-based cryptos. It allows for transactions' speed increase within nodes and aims to solve scalability problems.

Linux

An open-source Unix-based operating system based on the Linux kernel.

Litecoin

Litecoin was an early Bitcoin altcoin that started in October 2011. It is almost identical to Bitcoin but features faster transaction confirmation times and improved storage efficiency.