𓏏 the seal journal
Notes from behind the seal.
Private payments, zero-knowledge receipts, and an honest read on where Jat sits on Solana.
Where Jat Fits in Solana Privacy: an Honest Map
Solana has several privacy efforts in flight, and they do not all mean the same thing by the word. Here is the map, with Jat placed on it as the shipped devnet deposit pool it actually is.
Read the postHow Jat Proves Membership Without Revealing It
A walk through the shipped devnet design: deposit real lamports into an on-chain Poseidon pool, mint a value-bound commitment, then verify membership and a threshold with a Groth16 proof inside a Solana program, and withdraw trustlessly.
Read the postBuilding with Jat: a Private Deposit Pool You Can Call
Jat is a live devnet deposit pool with a CPI-able gate and a trustless withdraw. Here is what one verify checks, how to integrate it, and what you can honestly build on it today.
Read the post