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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 | 3 B | 957,122 | c://9279c116…da95f6cf | 97769555…55821733 |
| untitled | text/markdown | 3 B | 957,122 | c://9279c116…da95f6cf | 28cdf779…509ff29a |
| file.txt | text/plain | 369 B | 957,122 | c://498c7cf2…e3402405 | 736c5b03…a166136f |
| untitled | text/markdown | 3 B | 957,122 | c://9279c116…da95f6cf | ec705192…01c3afa7 |
| untitled | text/markdown | 279 B | 957,122 | c://34d5e384…1902b647 | c3214b37…f8911ee7 |
| file.png | image/png | 671,176 B | 957,122 | c://e7dd7f45…64659c1f | 1a0555ea…34287dcb |
| No B:// file could be read from this transaction. | 957,122 | 7f31b544…7cb01ef7 | |||
| untitled | text/markdown | 3 B | 957,122 | c://9279c116…da95f6cf | 1565e299…a83656c0 |
| untitled | text/markdown | 3 B | 957,122 | c://9279c116…da95f6cf | 2ce8c101…05f9c8e5 |
| file.txt | text/plain | 18,268 B | 957,122 | c://b0961482…b42aca0e | de39ab59…78280c7e |
| file.txt | text/plain | 369 B | 957,122 | c://ec71a7ab…a29f1051 | e45f6e88…cbc09740 |
| untitled | text/markdown | 48 B | 957,122 | c://d483e8b4…3166c063 | 5a58d8af…61e6b3a8 |
| untitled | text/markdown | 3 B | 957,122 | c://9279c116…da95f6cf | 69dd96a4…0e1d56a5 |
| untitled | text/markdown | 313 B | 957,122 | c://4b8df779…1743f185 | 9b460877…9fffd07d |
| untitled | text/markdown | 3 B | 957,122 | c://9279c116…da95f6cf | 3ddd1b64…53e312db |
| untitled | text/markdown | 3 B | 957,122 | c://9279c116…da95f6cf | 1b947146…ccf5ee86 |
| file.txt | text/plain | 18,268 B | 957,122 | c://b0961482…b42aca0e | 2f92d4f6…9a704305 |
| untitled | text/markdown | 59 B | 957,122 | c://f79d1457…28adb391 | 7ccc794a…f2dd9a84 |
| untitled | text/markdown | 3 B | 957,122 | c://9279c116…da95f6cf | 866205cd…ddfd6d89 |
| untitled | text/markdown | 3 B | 957,123 | c://9279c116…da95f6cf | fbd822e5…5c557242 |
| untitled | text/markdown | 3 B | 957,121 | c://9279c116…da95f6cf | 4f524d5f…d2b003b8 |
| untitled | text/markdown | 3 B | 957,121 | c://9279c116…da95f6cf | a0144b2f…9cdd8d0e |
| untitled | text/markdown | 69 B | 957,121 | c://2826d59a…e1fd515c | d7b978bc…a9ab71a8 |
| file.txt | text/plain | 369 B | 957,121 | c://46c204ee…9298120c | b3701c46…5ad8b551 |
| untitled | text/markdown | 48 B | 957,121 | c://82360a8c…4154231c | c02d2279…7f9202a0 |
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 .