The Solana Foundation has published a report titled Privacy on Solana: A Full-Spectrum Approach for the Modern Enterprise, in which it stated a shift in the approach to the development of the crypto industry.
According to the organization, the next stage of mass blockchain adoption will depend not only on transparency but also on the ability to control what data is disclosed and to whom.
The organization proposed four levels of privacy:
- "pseudonymity" — addresses are hidden, but transactions are open;
- confidentiality — participants are known, but amounts and details are encrypted;
- anonymity — transaction data is open, but parties are hidden;
- full privacy — both data and participants are fully protected (in particular, through zero-knowledge proofs (ZK-proofs)).

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