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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 | 223 B | 956,086 | c://13c52803…4c6034af | 1c51a40d…70c710a5 |
| file.txt | text/plain | 954 B | 956,086 | c://65c2fda8…c870806e | be0177a9…56f7acbe |
| No B:// file could be read from this transaction. | 956,086 | b997e304…3e16f222 | |||
| file.txt | text/plain | 466 B | 956,086 | c://ef4f44c4…001cc66f | 27dfd954…189f6252 |
| No B:// file could be read from this transaction. | 956,086 | 179d3abb…09f15370 | |||
| file.jpeg | image/jpeg | 28,919 B | 956,089 | c://dcc2e613…0ad464f3 | 71cbf391…768a5b27 |
| untitled | text/markdown | 82 B | 956,089 | c://66c06c08…460f6401 | e5635330…acd88e34 |
| untitled | text/markdown | 32 B | 956,086 | c://08dbe596…3810d8a6 | 535b6200…21cc0d9d |
| file.txt | text/plain | 733 B | 956,086 | c://96f34517…58633031 | e3dfa583…edb73639 |
| No B:// file could be read from this transaction. | 956,086 | 22cd8753…ba67d983 | |||
| untitled | text/markdown | 251 B | 956,088 | c://a68be13c…5d7cb0b4 | f17dcf76…23b51d06 |
| https://www.metoc.navy.mil/jtwc/products/wp1026prog.txt | text/plain | 2,023 B | 956,088 | c://6dfa9b46…a8b99c80 | 25008c43…a088e37c |
| file.txt | text/plain | 6,747 B | 956,085 | c://26260d53…2d1383d9 | 78a7aee9…7585d84f |
| untitled | text/markdown | 32 B | 956,085 | c://3c3dca35…5613a075 | 95d4bd04…48480b8b |
| file.txt | text/plain | 19,705 B | 956,081 | c://db2c85da…bb1d167d | 86753ef7…2eb6a021 |
| untitled | text/markdown | 59 B | 956,081 | c://4a64456f…b327f41e | 81c8cd3e…bcd453bb |
| untitled | application/json | 6,738 B | 956,085 | c://9e7abf2f…6ef17e98 | c89e5be8…c1ee4dd8 |
| untitled | text/markdown | 2,572 B | 956,081 | c://08fe0b69…022bcaff | 16cea076…97460f61 |
| untitled | text/markdown | 198 B | 956,082 | c://1a636e47…a3c32e42 | cc2df7b6…497a083d |
| untitled | text/markdown | 2,572 B | 956,081 | c://08fe0b69…022bcaff | e01fa71b…c7863da9 |
| untitled | text/markdown | 198 B | 956,082 | c://1a636e47…a3c32e42 | bc7ee624…de361f1a |
| file.jpeg | image/jpeg | 332,540 B | 956,079 | c://b345bc5d…736bde13 | 04ddbee1…75e36226 |
| untitled | text/markdown | 2,567 B | 956,080 | c://0b3123bd…d869a5cb | 7e6c6f25…2661b7fc |
| untitled | text/markdown | 12 B | 956,079 | c://c66f46a0…f39f7afd | 4a4ee772…540e420f |
| untitled | text/markdown | 9 B | 956,078 | c://d82dbe10…f0e1de1d | caf1489d…ae544556 |
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 .