I have used a self-custody wallet (e.g. Metamask)
I have bought an NFT or transacted with a web3 app using a wallet like Metamask
I've exchanged crypto assets using a decentralized exchange (DEX)
I've staked tokens participated in liquidity pools or done yield farming
I can explain what a Merkle Tree is
I've participated in a web3 project (as a Discord member on forums voting on governance proposals)
I've been part of designing a product UI or brand for a crypto or web3 startup