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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 |
|---|---|---|---|---|---|
| untitled | text/markdown | 6 B | 956,188 | c://cd36e2f4…d80ba324 | c78be55a…ad103133 |
| file.jpeg | image/jpeg | 42,491 B | 956,191 | c://78fb79df…e2c275d1 | 3e786c88…27a197ca |
| No B:// file could be read from this transaction. | 956,191 | 189f3cde…6e92bd34 | |||
| untitled | text/markdown | 270 B | 956,191 | c://77361cf7…9754f72b | 606a7ad2…08237379 |
| file.jpeg | image/jpeg | 61,319 B | 956,191 | c://e630bfd3…d224c77b | dfffa11d…8e29d6b8 |
| No B:// file could be read from this transaction. | 956,191 | 96f677ba…5508a17a | |||
| file.jpeg | image/jpeg | 368,490 B | 956,191 | c://52ed359d…20d5d946 | a67c86f9…1868be80 |
| No B:// file could be read from this transaction. | 956,191 | 9dce903e…051a3156 | |||
| untitled | text/markdown | 111 B | 956,188 | c://a475f4a4…6addb3d4 | 120a63e7…976d820e |
| untitled | text/markdown | 43 B | 956,188 | c://9fb05b07…68003f0d | 36035d19…4e6c67b0 |
| untitled | text/markdown | 85 B | 956,188 | c://c2280028…895e81df | 41d745ff…9fe2fefe |
| file.png | image/png | 739,087 B | 956,189 | c://4535e252…a983ca48 | f1d29377…bce2a9b7 |
| No B:// file could be read from this transaction. | 956,189 | 31bcce51…f1ad4771 | |||
| file.jpeg | image/jpeg | 234,002 B | 956,189 | c://6471ff98…3790a48b | beae6274…678ea67a |
| untitled | text/markdown | 68 B | 956,189 | c://d1ee8ba6…7d17649f | 1409dae8…07ef009b |
| No B:// file could be read from this transaction. | 956,189 | 2f807a06…430f6a81 | |||
| untitled | text/markdown | 47 B | 956,189 | c://5bfa5ffc…17359b94 | 1e266392…b77c71f7 |
| untitled | text/markdown | 6 B | 956,189 | c://cd36e2f4…d80ba324 | c322b24b…f290349f |
| untitled | text/markdown | 4 B | 956,189 | c://8beaec62…e9384ab1 | dd320ad0…c2e442e0 |
| file.jpeg | image/jpeg | 234,002 B | 956,189 | c://6471ff98…3790a48b | 9798893a…8abb37ee |
| untitled | text/markdown | 4 B | 956,189 | c://8beaec62…e9384ab1 | 8ff3382a…46dec0e9 |
| untitled | text/markdown | 85 B | 956,188 | c://c2280028…895e81df | 1cb8d7da…423e510e |
| untitled | text/markdown | 6 B | 956,189 | c://cd36e2f4…d80ba324 | 80796016…29a90078 |
| untitled | text/markdown | 43 B | 956,188 | c://9fb05b07…68003f0d | 365c363c…a5f61bd7 |
| untitled | text/markdown | 111 B | 956,188 | c://a475f4a4…6addb3d4 | 079a8c7c…5a5c1dda |
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 .