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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 | 21,715 B | 957,034 | c://aa34422a…3778bb79 | 1b2e1471…1f320969 |
| untitled | text/markdown | 32 B | 957,034 | c://c7d34617…083dde7a | bc5cd558…15767258 |
| untitled | application/json | 5,903 B | 957,034 | c://e7f59ce1…a213b3ac | 9a53ce95…77dec404 |
| untitled | text/markdown | 6 B | 957,031 | c://cd36e2f4…d80ba324 | 56f9d145…a5593c62 |
| untitled | text/markdown | 6 B | 957,031 | c://cd36e2f4…d80ba324 | dbcc3bf9…51d18889 |
| untitled | text/markdown | 6 B | 957,031 | c://cd36e2f4…d80ba324 | efa79931…40fea6ed |
| untitled | text/markdown | 6 B | 957,031 | c://cd36e2f4…d80ba324 | 7b2e79dd…5fa98e1b |
| untitled | text/markdown | 6 B | 957,031 | c://cd36e2f4…d80ba324 | f9cec43c…24533461 |
| untitled | text/markdown | 86 B | 957,031 | c://907f35e9…40503d8b | 6bee6753…bc615da3 |
| untitled | text/markdown | 12 B | 957,031 | c://1c7a1725…b57afa37 | 052761ee…03ae922d |
| untitled | text/markdown | 6 B | 957,031 | c://cd36e2f4…d80ba324 | 8a3710b8…cf9a9b08 |
| untitled | text/markdown | 51 B | 957,031 | c://9d803bd0…9fdd16cb | 7e942c5b…8f7fd3e6 |
| untitled | text/markdown | 84 B | 957,031 | c://ba409410…fd475b69 | 4d32e431…4b0c3a3d |
| untitled | text/markdown | 127 B | 957,031 | c://f1f47db8…e89ce241 | 5fd59a2a…f632f239 |
| untitled | text/markdown | 42 B | 957,031 | c://93548183…96fe86e4 | 7afcf3bd…0faa6114 |
| No B:// file could be read from this transaction. | 957,031 | 8a35e0c2…7293b493 | |||
| untitled | text/markdown | 92 B | 957,031 | c://da921814…ca6fba0b | 7b67f3fb…52054d8d |
| untitled | text/markdown | 32 B | 957,031 | c://a2872678…9b983656 | bf63d0b3…961a370f |
| file.txt | text/plain | 23,422 B | 957,031 | c://dec9ba77…3898d356 | 83fae0bd…a7ad9119 |
| untitled | text/markdown | 32 B | 957,031 | c://a2872678…9b983656 | 4eaaf237…9e056bca |
| file.txt | text/plain | 476 B | 957,031 | c://426cd7b6…2b21de56 | efd71a09…882ed5e3 |
| file.jpeg | image/jpeg | 148,808 B | 957,031 | c://6db2b26e…e4c91b4b | 41bcf5bf…43df7c1f |
| untitled | text/markdown | 92 B | 957,031 | c://da921814…ca6fba0b | 1f82215f…f9ba4704 |
| file.txt | text/plain | 103 B | 957,031 | c://bac99186…6dcabae6 | 00f2ff52…97bf5eea |
| No B:// file could be read from this transaction. | 957,031 | a7699c3f…e8e567fc | |||
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 .