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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 | 276 B | 956,472 | c://c71a4015…319f6797 | b96ad369…ee74fa91 |
| untitled | text/markdown | 276 B | 956,472 | c://c71a4015…319f6797 | d10cdfab…5ae4a318 |
| untitled | text/markdown | 276 B | 956,472 | c://c71a4015…319f6797 | 07aed600…03fe2f05 |
| untitled | text/markdown | 276 B | 956,472 | c://c71a4015…319f6797 | ec6814c0…f2036afd |
| file.bin | application/pdf | 272,485 B | 956,469 | c://b635d4c3…9551d05b | 8e1e6f84…493feaa3 |
| file.bin | application/pdf | 52,644 B | 956,469 | c://5dcae803…37b9aba4 | 1f043ae7…ec20bc4c |
| file.txt | text/plain | 26,709 B | 956,469 | c://437bda4a…bc475772 | a252524a…ab23ae8a |
| file.bin | application/pdf | 268,234 B | 956,469 | c://92478354…9148649b | 31160958…62e9ad94 |
| file.bin | application/pdf | 40,557 B | 956,469 | c://5266ed76…cafecd2c | 21b2d560…8eead178 |
| file.txt | text/plain | 51,571 B | 956,469 | c://3d0f98af…34236f2b | 4529b6dd…0c082f5e |
| file.txt | text/plain | 77,957 B | 956,469 | c://8a5e25c2…ef87de6f | 9f4e5e0a…885d8b67 |
| file.txt | text/plain | 980 B | 956,469 | c://d81542ed…adce2c03 | 1387ac29…f3299c91 |
| file.png | image/png | 687,565 B | 956,469 | c://9c9148c5…d5625093 | 0f119b3f…5e9455e7 |
| file.txt | text/plain | 150 B | 956,469 | c://e0192dd7…4e51ce6e | 43bbd0f7…b914a0a3 |
| file.txt | text/plain | 245 B | 956,469 | c://6dbdf502…bb7b3582 | 925c050c…d6e0475c |
| file.txt | text/plain | 980 B | 956,469 | c://5be6f6b6…ed800f30 | acf47b47…1f15e05c |
| file.txt | text/plain | 250 B | 956,469 | c://8a09514e…e08a3941 | 6d1a0c55…f45dd177 |
| file.jpeg | image/jpeg | 58,961 B | 956,469 | c://3b4e1a69…20acbd60 | 19b34c5a…38302c77 |
| file.txt | text/plain | 230 B | 956,469 | c://10f54d2e…9db16d63 | fc1fd3ed…950797db |
| file.jpeg | image/jpeg | 515,176 B | 956,469 | c://65803070…b94dffa7 | dca44b17…7dc7918c |
| file.jpeg | image/jpeg | 557,262 B | 956,469 | c://3e5b18c5…42bbecfa | 641878b7…53d1b8b7 |
| untitled | text/markdown | 6 B | 956,469 | c://cd36e2f4…d80ba324 | cd791967…fc48ebc2 |
| untitled | text/markdown | 6 B | 956,469 | c://cd36e2f4…d80ba324 | 5d63df2e…113158d7 |
| untitled | text/markdown | 109 B | 956,469 | c://9bb4996a…1b8f9703 | ee6432a7…6295d477 |
| untitled | text/markdown | 6 B | 956,469 | c://cd36e2f4…d80ba324 | 1ee15889…24b05b56 |
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 .