PASS replaces private-key control in blockchain wallets with provenance tracking, using an Inbox-Outbox mechanism for verifiable lineage on external actions while preserving privacy for internal transfers, with Lean 4 proofs and an enclave-based prototype.
When checking against the user’s own balance, this is trivially satisfied sinceL[u][α]≥ L[u][α] for allu
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PASS: A Provenanced Access Subaccount System for Blockchain Wallets
PASS replaces private-key control in blockchain wallets with provenance tracking, using an Inbox-Outbox mechanism for verifiable lineage on external actions while preserving privacy for internal transfers, with Lean 4 proofs and an enclave-based prototype.