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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 | 957,040 | c://9279c116…da95f6cf | a3fa7dc5…81837f71 |
| untitled | text/markdown | 3 B | 957,040 | c://9279c116…da95f6cf | 3d3fd1ec…61480eae |
| untitled | text/markdown | 5 B | 957,040 | c://1cc9ef60…cca4a96f | a7d54b31…c716614b |
| untitled | text/markdown | 35 B | 957,040 | c://2125cea6…d17453a9 | 594b1c62…45f6a7a3 |
| untitled | text/markdown | 3 B | 957,040 | c://9279c116…da95f6cf | d408ccda…e28a874c |
| untitled | text/markdown | 3 B | 957,040 | c://9279c116…da95f6cf | 497eb276…186f5b10 |
| untitled | text/markdown | 3 B | 957,040 | c://9279c116…da95f6cf | 235f1760…fdd171c0 |
| untitled | text/markdown | 3 B | 957,040 | c://9279c116…da95f6cf | cbbaeec9…e7141b2e |
| file.txt | text/plain | 188,825 B | 957,040 | c://87dd18d7…b0175189 | 51a8d60e…7f3acbf7 |
| untitled | text/markdown | 44 B | 957,040 | c://17884bba…4347c67e | a92e0dd5…0a89b267 |
| No B:// file could be read from this transaction. | 957,040 | 3fcbca85…8ea33ddd | |||
| untitled | text/markdown | 55 B | 957,040 | c://b993fc7f…f3f04b07 | 3094d4cd…c65b3865 |
| untitled | text/markdown | 1 B | 957,040 | c://cdb4ee2a…2e1839a8 | e48e7af8…3f66bbe1 |
| file.png | image/png | 394,636 B | 957,040 | c://1faa3928…c52ae949 | 17b6b273…d4d9ff56 |
| file.txt | text/plain | 9,821 B | 957,040 | c://5ff119c6…723ca675 | 4cf3fe85…5dbaec7c |
| file.txt | text/plain | 31 B | 957,040 | c://ec7611e0…04830dfe | 6a21eb0e…17c03c68 |
| file.txt | text/plain | 243 B | 957,040 | c://df1ddd47…500348f2 | d86a7d32…070d42cc |
| file.png | image/png | 83,155 B | 957,040 | c://5d55581c…e701baf9 | b0007b0e…2270bdd8 |
| file.txt | text/plain | 15,993 B | 957,040 | c://315efca2…0ce04c90 | b732b7bf…79df9fa4 |
| file.txt | text/plain | 333 B | 957,040 | c://d57abb28…79fc13e0 | fee2af6b…6aaed4bc |
| untitled | text/markdown | 4 B | 957,040 | c://9f86d081…b0f00a08 | 8f842d21…87ec94bb |
| untitled | text/markdown | 11 B | 957,040 | c://528abde3…71d525ab | d07feac0…502dee68 |
| file.bin | application/pdf | 97,531 B | 957,040 | c://b0be7194…cf39048f | b48ab61a…fee88da6 |
| untitled | text/markdown | 16 B | 957,040 | c://ee0b49b2…3e401c87 | d649fa9c…0ea64175 |
| untitled | text/markdown | 51 B | 957,040 | c://a7f07602…ad6af346 | cf27ff9c…52d98443 |
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 .