We can use How to Send an On-Chain Message Using an Ethereum Transaction — Dame.eth to send messages on-chain. This is an excellent way to communicate between addresses without revealing their identities. It is also a more native approach for social interaction on web3, and the gas fees can help reduce scams and ads.
Additionally, we could design a protocol to encrypt messages that can only be decrypted by the receiver’s private key. By doing this, messages will be stored on-chain, and the encryption will be end-to-end, decentralized, and secure.
This should be a public good for social infra.