The core of blockchain is verifiable
And complete transparency is a forced compromise that comes with it

Thus MEV, front-running, and other concepts were born

If traditional finance is to fully integrate with blockchain, addressing privacy issues is essential

First generation: Mixing coins: Tornado represents a whirlwind, mainly solving the privacy of asset transfer
Second generation: ZK, mainly solving the privacy of proof, off-chain proof, on-chain verification
Third generation: MCP, data sharding, but currently only applied in key management that matches well