Os 5 principais concorrentes e alternativas a Nullmask e projetos de Privacy semelhantes

Hinkal is an institutional-grade protocol enabling confidential on-chain transactions. It is a category-defining solution, that allows liquid funds and retail users to create shielded addresses and transact on major dApps in complete confidentiality (the origin and destination of transaction, value).

Privacy-preserving token wrapper that enables private transfers of ERC-20 assets using zero-knowledge proofs, including private cross-chain transfers

Nocturne is a protocol enabling private accounts on Ethereum

Tacit is a family of immutable privacy pools. Shield ETH, then pay, swap and withdraw privately, on Ethereum, Base and Robinhood Chain

Umbra is a privacy layer on Solana. Users shield assets into per-token pools and withdraw them to a different address, breaking the on-chain link between deposit and withdrawal.