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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.txt | text/plain | 72 B | 955,615 | c://7c683515…67be651d | f13e039a…c77d76f1 |
| file.txt | text/plain | 72 B | 955,614 | c://7c683515…67be651d | b13ea82c…5d013da4 |
| No B:// file could be read from this transaction. | 955,614 | 15b7bebe…1ef0b6d6 | |||
| untitled | text/markdown | 14 B | 955,612 | c://ed919ce7…d8bf8592 | 56862ab7…11cca7a9 |
| file.txt | text/plain | 1,613 B | 955,613 | c://d55d2af4…38954d68 | fd8479a4…a684ea8a |
| untitled | text/markdown | 16 B | 955,613 | c://79eb13e7…6071b534 | ba234ffe…c084dcad |
| untitled | text/markdown | 65 B | 955,610 | c://704a8fee…26e5073e | b49241ae…882d8ce8 |
| file.txt | text/plain | 309 B | 955,611 | c://80608919…fad4b0ed | b3c46a7a…caf69e66 |
| untitled | text/markdown | 96 B | 955,611 | c://8cc51670…925d67fa | 4241e1ea…ce383df5 |
| file.txt | text/plain | 980 B | 955,610 | c://d9069625…758c3dd9 | d18606f7…c00478f2 |
| file.txt | text/plain | 980 B | 955,610 | c://d9069625…758c3dd9 | b806a01d…7e2124ed |
| untitled | text/markdown | 69 B | 955,602 | c://a1ae061c…2a3dfb47 | dbbca3af…08f8f658 |
| file.png | image/png | 467,766 B | 955,602 | c://2c11670b…27cfe5e5 | 19a1945d…a61f3f11 |
| file.txt | text/plain | 1,613 B | 955,602 | c://b8e83329…0ca76b04 | 0d4c32d9…a2e2c7c8 |
| untitled | text/markdown | 20 B | 955,602 | c://821270f7…88a84e38 | dc5b2b9d…2d6b2bbb |
| untitled | text/markdown | 1,062 B | 955,602 | c://b33ece70…451e5b7a | 986c732a…8a4eee1d |
| file.txt | text/plain | 1,489 B | 955,602 | c://26a29127…e1d5cd3a | 8d2a4617…b1884e18 |
| untitled | text/markdown | 1,062 B | 955,602 | c://b33ece70…451e5b7a | c9db7ea4…0de4903b |
| untitled | text/markdown | 20 B | 955,602 | c://821270f7…88a84e38 | 04d72907…00b4e72c |
| file.png | image/png | 467,766 B | 955,602 | c://2c11670b…27cfe5e5 | 36ccd260…2c2652c7 |
| file.txt | text/plain | 1,613 B | 955,602 | c://b8e83329…0ca76b04 | ba53c856…c85c64af |
| file.txt | text/plain | 1,613 B | 955,602 | c://b8e83329…0ca76b04 | eb2b242f…fd501c92 |
| file.txt | text/plain | 369 B | 955,604 | c://fbda49d2…63b35993 | c041d032…64fcee8f |
| untitled | text/markdown | 22 B | 955,604 | c://7f3645f5…7b22256f | 9ab1236e…69b41ee4 |
| untitled | text/markdown | 10 B | 955,604 | c://127b5438…08866ec3 | 5fc17414…9777fd3a |
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 .