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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 | 151 B | 956,178 | c://1ecf00fe…22232a75 | 44e85ca2…944fbf75 |
| untitled | application/json | 202 B | 956,180 | c://3855ab67…b55c778b | e79829cf…483137c4 |
| file.mp4 | video/mp4 | 508,091 B | 956,180 | c://59b984f2…daa56ade | 55403969…5e8bdb63 |
| untitled | text/markdown | 151 B | 956,178 | c://1ecf00fe…22232a75 | 6420d474…54d9a8c2 |
| file.txt | text/plain | 20,420 B | 956,178 | c://cadbd3f6…34bb8f70 | 888a45e9…4c5031a6 |
| file.txt | text/plain | 18,561 B | 956,178 | c://8b93ca23…9838244c | 76ac59e4…b1b839cb |
| untitled | text/markdown | 34 B | 956,180 | c://3d96d0cc…5a146f47 | 5b98f66f…1cb51baa |
| No B:// file could be read from this transaction. | 956,178 | a56c328a…6c2d20d1 | |||
| untitled | text/markdown | 20 B | 956,180 | c://35c19e53…6e11d95d | 927c35d1…9aad06e9 |
| No B:// file could be read from this transaction. | 956,178 | b3069d6d…3521e3c6 | |||
| No B:// file could be read from this transaction. | 956,178 | d9c59878…22a0ad55 | |||
| file.mp4 | video/mp4 | 508,091 B | 956,180 | c://59b984f2…daa56ade | d16075b4…0ce0d791 |
| file.txt | text/plain | 20,420 B | 956,178 | c://cadbd3f6…34bb8f70 | be64c4a5…6468ccca |
| No B:// file could be read from this transaction. | 956,178 | e4173737…cd1b5b8a | |||
| untitled | text/markdown | 24 B | 956,179 | c://5a6d7298…c79edb0b | f1ec9370…027636fb |
| untitled | text/markdown | 18 B | 956,179 | c://1f89691b…efcfef00 | ac3337c1…dde1e734 |
| untitled | text/markdown | 4 B | 956,179 | c://4a754148…3b94045f | bc028ba7…e1fca71a |
| untitled | text/markdown | 77 B | 956,179 | c://70bac386…6194dbfb | 48cb73a4…a3e0cdc1 |
| untitled | text/markdown | 20 B | 956,179 | c://a8daea83…9e4121f5 | b5174ba0…0a7c746a |
| untitled | text/markdown | 28 B | 956,179 | c://4d1f847e…ec740019 | e6339dc2…9e692f43 |
| file.txt | text/plain | 18,561 B | 956,178 | c://8b93ca23…9838244c | 32ddccca…e0602559 |
| No B:// file could be read from this transaction. | 956,178 | 3e4792fe…6ba38a6d | |||
| file.txt | text/plain | 2,601 B | 956,176 | c://e164515e…056690fc | e51ecbb7…1ac1a530 |
| file.txt | text/plain | 1,909 B | 956,176 | c://ef91cfd3…cd384587 | 799e5eed…b24e45d9 |
| file.txt | text/plain | 980 B | 956,176 | c://19068577…78a124cf | b28f9fe5…4685657c |
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 .