Destroying A Contract

EVM

Deployed contracts cannot be destroyed unless it contains a function that calls selfdestruct. However, since the Cancun hard fork, a contract can only be destroyed if selfdestruct is called in the same transaction that deploys the contract.

Solana

solana program close $PROGRAM_ID

Use this with caution as you can accidentally lock users out of their funds!

OptiFi Program Incident Report — 08/29/22Medium