VIP Exclusive
Solidity Smart Contract Developer VIP Certification Exam
Solidity — No single official Solidity certification exam is issued by a governing body; this is an original comprehensive practice set modeled on the knowledge domains tested by Ethereum Foundation documentation, ConsenSys developer assessments, and industry smart-contract auditing interviews — covering language internals, security patterns, gas optimization, and ERC standards at an advanced professional level.
30
Questions
90m
Time Limit
75.00%
To Pass
Question 1 of 30👑 VIP
A developer writes the following storage struct in a Solidity contract: solidity struct Config { uint128 maxSupply; bool paused; uint128 minPrice; address owner; } A colleague suggests reordering the fields to reduce gas costs. Which reordered layout packs all fields into the fewest EVM storage slots?
Questions 2–30 and full explanations are VIP-exclusive.