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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 | 9 B | 956,236 | c://8875b96d…b100e2d9 | 4bf4c319…d4de8378 |
| untitled | text/markdown | 9 B | 956,236 | c://ae9bd53e…25dbe706 | cad85200…ac766149 |
| untitled | application/json | 203 B | 956,235 | c://048798f9…ed39ba6c | c5f2b903…ad19fc33 |
| untitled | text/markdown | 6 B | 956,234 | c://cd36e2f4…d80ba324 | 42f33318…4fc71198 |
| untitled | text/markdown | 6 B | 956,234 | c://cd36e2f4…d80ba324 | 845c7d82…b3344b7d |
| untitled | text/markdown | 231 B | 956,231 | c://00bdf456…0dbea039 | 2bf759f2…03e1118a |
| file.jpeg | image/jpeg | 336,515 B | 956,231 | c://18ea730a…5a4f3207 | 9a5580c0…f994b3e5 |
| untitled | text/markdown | 231 B | 956,231 | c://00bdf456…0dbea039 | 093a3559…5d191ef2 |
| file.txt | text/plain | 1,835 B | 956,233 | c://7f34bf5a…ef066dc3 | 435cf00f…7b5b456f |
| untitled | text/markdown | 59 B | 956,233 | c://9447f9f9…b0871907 | 23bd878e…caf46847 |
| untitled | text/markdown | 7 B | 956,233 | c://24b1c88e…12c43b99 | 37a1468f…a3dff6df |
| untitled | text/markdown | 87 B | 956,227 | c://6b9c776c…df19c360 | 4d1f3ef7…43f1cf7d |
| No B:// file could be read from this transaction. | 956,227 | a04944e0…46a4b2c8 | |||
| file.txt | text/plain | 788 B | 956,227 | c://3949d758…713170ab | ca4efe74…8989d2da |
| untitled | text/markdown | 87 B | 956,227 | c://6b9c776c…df19c360 | 235c2851…16aaf85c |
| file.txt | text/plain | 91 B | 956,227 | c://7540a0ed…ee2743ad | acc6944a…1d1d817a |
| No B:// file could be read from this transaction. | 956,227 | 23da896c…7953ff13 | |||
| untitled | text/markdown | 37 B | 956,226 | c://9d16b932…12e452e8 | e0d2380a…197ede36 |
| file.txt | text/plain | 1,339 B | 956,223 | c://e7f22d23…a7bd0369 | 64b1aef8…daf0b45f |
| No B:// file could be read from this transaction. | 956,222 | 5fad7069…2113c826 | |||
| file.png | image/png | 101,631 B | 956,222 | c://c6616e54…5fe11c56 | 58f0f34b…64244595 |
| No B:// file could be read from this transaction. | 956,222 | 396a73fe…58474c8b | |||
| file.txt | text/plain | 1,339 B | 956,222 | c://e7f22d23…a7bd0369 | d7d2b569…fd11c90c |
| untitled | text/markdown | 1,882 B | 956,222 | c://c0e4e24f…de0a341f | 3feb2736…b7dd9225 |
| untitled | text/markdown | 1,913 B | 956,222 | c://aa3dd0ce…a625987b | 7b3ae327…90f67bce |
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 .