public key sharing is a solved problem with bitcoin, to revoke a key, just empty the account. The amount you hold in it, is the security level. https://github

public key sharing is a solved problem with bitcoin, to revoke a key, just empty the account. The amount you hold in it, is the security level. https://github.com/jackjack-jj/jeeq https://github.com/jackjack-jj/jeeq