{"id":2201885,"recorded_at":"2026-11-02T19:13:30.033799Z","observed_at":"2026-11-02T19:13:30.033727Z","subject_kind":"source_record","subject":"x402_bazaar:https://finance-calculators.x402tookit.com/rule-of-72","kind":"listing","method":"sync.x402_bazaar/1","body":{"endpoints":[["x402","https://finance-calculators.x402tookit.com/rule-of-72"]],"name":"Finance Calculators","owner_address":"0xb531320805c5bed1d46aeadcf4f008fdf172dbda","raw":{"accepts":[{"amount":"20000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:8453","payTo":"0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa","scheme":"exact"},{"amount":"20000","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM","transactionVersions":[0]},"maxTimeoutSeconds":300,"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","payTo":"DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s","scheme":"exact"},{"amount":"20000","asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:137","payTo":"0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa","scheme":"exact"},{"amount":"20000","asset":"0xaf88d065e77c8cC2239327C5EDb3A432268e5831","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:42161","payTo":"0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa","scheme":"exact"}],"description":"Years to double money at a growth rate (exact and by the rule of 72), and how long inflation takes to halve buying power.","extensions":{"bazaar":{"info":{"input":{"method":"GET","queryParams":{"rate_pct":8},"type":"http"},"output":{"example":{"asOf":"2026-10-11T03:59:16.045Z","degraded":false,"disclaimer":"Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.","doublingYearsExact":9.0065,"doublingYearsRuleOf72":9,"errorOfRulePct":-0.07,"notChecked":["taxes and fees","that rates stay constant"],"reasons":["The rule of 72 is accurate within a few percent for rates between about 5 and 12 percent."],"source":"computed locally","summary":"At 8% a year money doubles in 9.01 years (rule of 72 says 9); as inflation, buying power halves in about the same time.","verdict":"COMPUTED","yearsTo10x":29.919,"yearsToQuadruple":18.013},"type":"json"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"rate_pct":{"description":"Annual growth rate in percent","type":"number"}},"required":["rate_pct"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"asOf":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"disclaimer":{"type":["null","string"]},"doublingYearsExact":{"type":["null","number"]},"doublingYearsRuleOf72":{"type":["null","number"]},"errorOfRulePct":{"type":["null","number"]},"notChecked":{"items":{"type":"string"},"type":["array","null"]},"reasons":{"items":{"type":"string"},"type":["array","null"]},"source":{"type":["null","string"]},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"yearsTo10x":{"type":["null","number"]},"yearsToQuadruple":{"type":["null","number"]}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"}}},"lastUpdated":"2026-11-01T22:54:47.37Z","quality":{"l30DaysTotalCalls":2,"l30DaysUniquePayers":2,"lastCalledAt":"2026-11-01T22:54:47.207Z"},"resource":"https://finance-calculators.x402tookit.com/rule-of-72","serviceName":"Finance Calculators","tags":["rule-of-72","doubling","inflation"],"type":"http","x402Version":2},"source":"x402_bazaar","summary":"Years to double money at a growth rate (exact and by the rule of 72), and how long inflation takes to halve buying power."},"body_sha256":"fe7f427fe8719818085530c25164a55b561a052d732f3678d25f67d6f7b3f000","prev_id":null,"leaf":"0x8434a448c0c9a1000ccb8995cd6713dd0b08800b1c253c87384b67eda5741aea","leaf_text":"{\"body\":\"fe7f427fe8719818085530c25164a55b561a052d732f3678d25f67d6f7b3f000\",\"id\":2201885,\"kind\":\"listing\",\"method\":\"sync.x402_bazaar/1\",\"observed_us\":1793646810033727,\"prev\":null,\"subject\":\"x402_bazaar:https://finance-calculators.x402tookit.com/rule-of-72\",\"subject_kind\":\"source_record\"}","day":{"day":"2026-11-02","leaves":444186,"root":"0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1","chained":"0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2","anchor_chain":"eip155:5042002","anchor_tx":"0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af","anchor_block":70432815},"proof":["0x84349abec79149f3fbee40b7b83691de2d2e8ad776dfb716b030e388696eb5ac","0xc4476c5caa665596aa160da796e0e86a2f7bed2d3a3c677ee9ec58d1aa0e1959","0xdaacd841bdf8c303758366c65d8ac160219bdff1042cdb5170f925e1cb8ba0a5","0x1f83c4fcfd139e95f2c9fbeceb4d102d962cbb8fd2c97b739bd1331706ea345e","0x3a056b9011da61f1e3dbb0294f8cd56fd48c531438c621fcae3a94aaa245b392","0x166fc81cba6ba4e7d242163a837a159931b90a23d19592fa44aa27b9954ec1ae","0x52dad5154085f3b2441be59c348752fb2c2973456446c5e24f813125c7bf76fa","0x96201ddcd1379546a0800434a260eea905bf43da6099aca1f89d707db12553b9","0x0a33e5a23fb3d56398637a14d77eb7ec57568fd08f6958ff310e835ad3f054e4","0xee8140a4af5fd19a317e13534bd0e922295d0f1f5cc9850e2f66ade55cd9dc15","0x12ff09872c679eab51e9b79706a062ddca4539eb3c562b934a1040c62d4e3d28","0x0d7ce903c884125a82bd6ab17048d38483542df814fefc95fd38be505ba8d991","0x01026267e0e47b54aad32519d39da32ac6f5740a40f20ce4f9f7312a7268ad12","0x45296e5ab7be6d8163e528d05039d4c685fc8962fc80b797c1d68574b10b444c","0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7","0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543","0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a","0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35","0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e"]}