Bitcoin Glossary

Timelock

Also known as: timelocks, time lock

A restriction that prevents Bitcoin from being spent until a certain block height or timestamp is reached. Used in Lightning Network channels, inheritance planning, and smart contracts. Implemented via CLTV and CSV opcodes.

Lessons mentioning "Timelock"

Smart Contracts: Bitcoin vs Ethereum Transaction Inputs Transaction Fees Transaction Verification by Nodes Advanced Bitcoin Scripting Atomic Swaps and HTLCs Bitcoin Script Programming Multisig and Timelocks