You could consider Ethereum addresses and ENS aliases to be a limited form of SSI. MetaMask alone suggests it has several million MAUs not that this should be a

You could consider Ethereum addresses and ENS aliases to be a limited form of SSI. MetaMask alone suggests it has several million MAUs not that this should be a metric in determining whether a tech is dystopian or not. Various web3 platforms already require verifiable attestations through signing messages with private keys such as multi sig wallets, off chain voting, token gated access.