[{"type":"report","id":"BLC-STUDY-1689","title":"Compact Encryption Scheme for Non-seed Wallet Data","author":[{"literal":"Pyth"}],"issued":{"date-parts":[[2026]]},"publisher":"Pyth","URL":"https://github.com/bitcoin/bips/blob/master/bip-0138.md","note":"Rights status: Licensed for redistribution. Not a licence to republish the paper."}]