MEV Olympics

Who is the top of the block in 2022?

24 August 2022

Master of the leading zeroes address


The champion of this disclipline will be awarded with the NFT for having at least 6 leading zeores in the address.

The smart contract for the allowlist features the following function:

function getLeadingZeroes(address addr) public view returns (uint) {
        bytes20 bytesAdr = bytes20(addr);
        uint counter = 0;
        for (uint i = 0; i < 20; i++) {
            if (uint8(bytesAdr[i]) == 0) {
            } else {
        return counter;

Claim your NFT under this address on Goerli: 0x2030e04c2e8c4748fd96aa56d67ad83c86641bf9

More resources:

Github Etherscan

update 15-09-2022, profanity is not longer secure, generate a vanity address with a different tool

1inch profanity disclosure blog Profanity