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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 |
|---|---|---|---|---|---|
| No B:// file could be read from this transaction. | 955,288 | 6e5e09ef…2a9701f3 | |||
| untitled | text/markdown | 3 B | 955,288 | c://9279c116…da95f6cf | 6c9a61de…46e5d855 |
| file.txt | text/plain | 487 B | 955,288 | c://db155a3e…0ab835e7 | 919b9224…ed6ac1bb |
| untitled | text/markdown | 59 B | 955,288 | c://a6047de4…88aed1f9 | 3920dd1d…87e4a0f4 |
| untitled | text/markdown | 3 B | 955,288 | c://9279c116…da95f6cf | 6ae705c9…1fd94aa5 |
| untitled | text/markdown | 3 B | 955,288 | c://9279c116…da95f6cf | b99d9cfb…d900ff76 |
| untitled | text/markdown | 4 B | 955,288 | c://c855b84b…fe24f641 | cbba1098…ddad8316 |
| untitled | text/markdown | 3 B | 955,288 | c://9279c116…da95f6cf | 1b435ba9…1550180c |
| No B:// file could be read from this transaction. | 955,288 | 3cb9946f…bbfdd8e5 | |||
| untitled | text/markdown | 19 B | 955,288 | c://30759016…34a1fdcf | 7c3811d4…6e1f96da |
| untitled | text/markdown | 3 B | 955,288 | c://9279c116…da95f6cf | 095a53f2…abedbb76 |
| No B:// file could be read from this transaction. | 955,288 | 4b5a26fd…10f979ed | |||
| untitled | text/markdown | 19 B | 955,288 | c://174c45fe…a88e55e6 | 77beb927…e4767a65 |
| file.txt | text/plain | 121 B | 955,288 | c://b2458b90…29e2069d | e3d72284…c604a3e9 |
| No B:// file could be read from this transaction. | 955,288 | 38edb46b…d950b672 | |||
| untitled | text/markdown | 3 B | 955,286 | c://9279c116…da95f6cf | ba2dfa5f…996472ef |
| untitled | text/markdown | 3 B | 955,286 | c://9279c116…da95f6cf | 487f12be…8bb8c1d6 |
| untitled | text/markdown | 3 B | 955,286 | c://9279c116…da95f6cf | ea76757b…800ae28d |
| file.png | image/png | 871,804 B | 955,286 | c://c8772208…62e8db1f | 09f4eb1e…70931ae6 |
| No B:// file could be read from this transaction. | 955,286 | babf64a1…e547af01 | |||
| file.txt | text/plain | 49 B | 955,286 | c://81b6d41d…0cd575f4 | c31670ba…97179bdc |
| untitled | text/markdown | 42 B | 955,286 | c://c8fea4eb…6a84694d | 1427cc32…ba0c3301 |
| file.txt | text/plain | 291 B | 955,286 | c://d70b5186…7171efe3 | cc769173…0ac552ab |
| untitled | text/markdown | 53 B | 955,286 | c://8fcb40ca…4971c79b | 72639527…025521a2 |
| file.txt | text/plain | 1,187 B | 955,286 | c://ad02aa34…14d6d00b | 8105a093…f33bfe35 |
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 .