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Files on Bitcoin
Every B:// file in the blocks Bitblocks stores, newest first. Each one is read from its transaction as this page loads.
B:// is the file protocol unwriter published in 2019: a file's bytes, media type and name in one transaction output.
A file's C:// address is the sha256 of its bytes, so every copy of the same file shares it.
Files open at
/b/<txid>
as untrusted content, with scripts switched off.
| File | Type | Size | Block | C:// address | Transaction |
|---|---|---|---|---|---|
| file.jpeg | image/jpeg | 48,927 B | 955,510 | c://06b01b3d…9ae6142e | f42f1577…f2c8fc19 |
| untitled | text/markdown | 62 B | 955,510 | c://aeab5491…ab8356d3 | 423cea33…3911e4d1 |
| file.txt | text/plain | 32,515 B | 955,510 | c://5a57db2a…24814edd | fbfff7f4…5bf12bbe |
| untitled | text/markdown | 257 B | 955,510 | c://958db9ae…7264999b | 95ac0064…9bb8fed3 |
| file.jpeg | image/jpeg | 43,053 B | 955,509 | c://00f508de…7614c799 | 5c1648bb…524f72c1 |
| untitled | text/markdown | 14 B | 955,509 | c://ec5d2ded…8f3dd124 | f95ae8a0…b6941ef2 |
| untitled | text/markdown | 126 B | 955,503 | c://fd3df676…0e2f1096 | 543f37ab…564b05e7 |
| file.txt | text/plain | 369 B | 955,508 | c://55a52900…a6f1e557 | 1185e231…8b15ecff |
| untitled | text/markdown | 360 B | 955,508 | c://76e5cc4b…11efa243 | 669d1994…c94da5e2 |
| file.txt | text/plain | 270 B | 955,506 | c://9ba62621…40d65bac | 94f2a79d…60569431 |
| file.jpeg | image/jpeg | 630,062 B | 955,506 | c://7542e1d8…a6d3fb02 | 7cc54a01…caf87e40 |
| untitled | text/markdown | 18 B | 955,506 | c://1f53e736…36759ea1 | 6dfacef7…6b3c799d |
| untitled | text/markdown | 113 B | 955,503 | c://fafb3d7e…9b180f20 | c514bbe9…5e68ddfe |
| untitled | text/markdown | 198 B | 955,503 | c://bda85b7f…4a1e4bd3 | 25ce52df…d303ed89 |
| file.txt | text/plain | 5,560 B | 955,506 | c://cd124a29…e82b3ca7 | 3169b9f5…b00d30a3 |
| file.txt | text/plain | 12,980 B | 955,503 | c://44224872…0cf83c16 | 41e26b61…fe8f5534 |
| file.png | image/png | 23,019 B | 955,506 | c://ec7a7a85…ebd22458 | 65736d15…5e7e5d50 |
| untitled | text/markdown | 112 B | 955,506 | c://a6e9dfef…33308abd | 6ecf245f…5f9c76a3 |
| untitled | text/markdown | 32 B | 955,503 | c://1c335cc6…99fdc562 | 81dd9e38…397b6c3a |
| file.txt | text/plain | 12,980 B | 955,503 | c://44224872…0cf83c16 | b4a26bb4…9a7e6709 |
| file.txt | text/plain | 12,439 B | 955,503 | c://7c9e75eb…d3e67bd6 | c1fca37a…baed76b0 |
| untitled | text/markdown | 32 B | 955,502 | c://1c335cc6…99fdc562 | 90a2319e…33471c0d |
| untitled | text/markdown | 122 B | 955,502 | c://876b8d38…6b6d7c0d | ec03502b…bc9f6b28 |
| file.txt | text/plain | 9,777 B | 955,501 | c://66ff5862…920a7702 | 0c698020…98964c12 |
| untitled | text/markdown | 32 B | 955,501 | c://9c3e7f35…ff67ecd2 | 02b2be3f…36b074fb |
The list grows as the sync stores more blocks. B:// and C:// are unwriter's conventions; this is an independent reading of them from the chain. For a namespace's own files and routes, see the Bitcom registry .