0x
0xrange
Learn
Labs
Practice
Leaderboard
Research
Pricing
← Practice range
Web3 Security 101
Warm-up
1 / 6
What does it mean that a smart contract is “immutable” once deployed?
It can be edited only by its owner
Its code cannot be changed — bugs ship permanently unless upgradeability was designed in
It automatically patches known vulnerabilities
It can be paused but never read
Check answer
Score: 0/0