Lock-Up Period

In simple terms

A lock-up period is a waiting period after you buy crypto tokens during which you're not allowed to sell them. Think of it like a savings account that won't let you withdraw your money for a set amount of time.

Definition

A restricted timeframe during which tokens cannot be sold.

In depth

A lock-up period is a contractual or protocol-enforced timeframe—typically ranging from weeks to years—during which token holders cannot transfer or liquidate their holdings. Lock-up periods are commonly implemented through smart contracts that restrict token transfers until a specified block height or timestamp is reached, serving as a vesting mechanism for team allocations, investor rounds, or initial distribution phases. This mechanism reduces immediate selling pressure (often called 'dumping'), aligns stakeholder incentives with long-term protocol success, and is frequently enforced by token contracts that revert any transfer attempts before the unlock date.

How does Lock-Up Period work?

A lock-up freezes tokens for a defined window. On chain, tokens are moved into a contract that holds them and rejects any transfer until a set timestamp or block height passes; at that point they become movable again, either all at once or in stages. Staking lock-ups work slightly differently: withdrawal requires an unbonding request followed by a waiting period, commonly days to weeks, during which the tokens usually stop earning rewards but still cannot be moved. Off-chain lock-ups rely on a contract with a custodian instead, and are not independently verifiable.

An example

Illustrative figures: someone stakes 2,000 tokens in a protocol with a 21-day unbonding period. On day 30 they request a withdrawal. The tokens stop earning rewards straight away but remain locked and untransferable until day 51. Whatever the price does over those three weeks, the tokens cannot be sold or moved, and the holder carries that change in full. Early exit is not available.

Figures are illustrative only.

What beginners get wrong

• Staking without checking the unbonding period leaves funds stuck for days or weeks at the moment they are wanted.
• A lock-up restricts transfer, not value. Prices can move in either direction while the tokens are frozen and cannot be sold.
• Some contracts offer early exit at a penalty that forfeits rewards or part of the principal; many offer no exit at all.
• Approving a lock-up transaction without reading the unlock timestamp is common, and that timestamp is visible in the contract before signing.

Related terms

• Vesting
• Emission Schedule
• Circulating Supply
• Staking
• Exit Liquidity
• Tokenomics

Part of

What is tokenomics, and why does token supply matter? — the subject page for tokenomics and supply, with all 14 of its definitions in one place.