Holdfast

Commitment device · Base · USDC

Lock it away.
No early exit.

Move USDC into a vault with a fixed timer. Until it runs out, nobody can pull it back — not even you. No admin key, no support line, no "unlock anyway" button. Made for the weekend you'd rather not fund.

01

Choose a lock

each is its own immutable contract — the address is the promise
02

Lock USDC

MAX USDC

Connect a wallet to begin.

03

Your locks

Nothing locked yet
Once it's locked, it's locked. Choose a duration above and commit an amount.