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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 |
|---|---|---|---|---|---|
| file.txt | text/plain | 1,613 B | 955,569 | c://4c6ac55d…795c0ff0 | 804a6a90…c28f27ce |
| untitled | text/markdown | 32 B | 955,569 | c://d0a48d6a…1c746558 | 744351b6…a2bafea9 |
| file.txt | text/plain | 43 B | 955,569 | c://7798a248…77bb6c07 | 9f7e8b6f…ddd54425 |
| file.txt | text/plain | 99 B | 955,569 | c://4f6f7d5e…e8880fde | dd748265…b45c99a9 |
| untitled | text/markdown | 20 B | 955,569 | c://f59461c9…beca13e6 | 2cba9c2f…1e27fbdc |
| untitled | text/markdown | 1,937 B | 955,570 | c://b7bbc5dd…767f006a | 51fc2124…efb7c268 |
| untitled | text/markdown | 31 B | 955,569 | c://324c55cc…6338ebae | e013617d…078f6c7f |
| untitled | text/markdown | 6 B | 955,570 | c://cd36e2f4…d80ba324 | 6a103e39…5d06e4fd |
| untitled | text/markdown | 30 B | 955,569 | c://d2ed931e…713cdecf | 8b8aa175…f564ec62 |
| untitled | text/markdown | 6 B | 955,570 | c://cd36e2f4…d80ba324 | 63f66cd4…1542a79a |
| No B:// file could be read from this transaction. | 955,569 | 458c4b1d…14314e26 | |||
| untitled | text/markdown | 31 B | 955,569 | c://d3d7f8ae…5d1e8636 | ebde3e62…a182649f |
| untitled | text/markdown | 28 B | 955,569 | c://139283b4…aff9188b | b3d8f3e4…398c2a08 |
| untitled | text/markdown | 15 B | 955,569 | c://a922d2c3…b684738a | 06d2275a…34bd30f8 |
| untitled | text/markdown | 24 B | 955,569 | c://e7592914…66977b60 | 345cf1de…e4bf207e |
| untitled | text/markdown | 18 B | 955,569 | c://7483818b…16673b7f | 601afd77…0ee20946 |
| untitled | text/markdown | 42 B | 955,569 | c://38d87081…8df2de61 | 306456a0…48a7504a |
| file.txt | text/plain | 46 B | 955,509 | c://79645d4d…48ffd03d | 36283fa5…db89edeb |
| untitled | text/markdown | 53 B | 955,509 | c://56032643…c3f61ffa | 60981477…f0032a30 |
| file.jpeg | image/jpeg | 43,053 B | 955,509 | c://00f508de…7614c799 | 0b028ac0…ce617883 |
| file.txt | text/plain | 99 B | 955,569 | c://4f6f7d5e…e8880fde | ecca9a2c…538f2b05 |
| untitled | text/markdown | 42 B | 955,569 | c://38d87081…8df2de61 | f3511637…e3e263e7 |
| file.txt | text/plain | 219 B | 955,509 | c://325ee9d6…223a4dd4 | 282525a3…eec50676 |
| untitled | text/markdown | 50 B | 955,509 | c://8437d523…0f5c1fba | e68bf859…b5956979 |
| file.txt | text/plain | 43 B | 955,569 | c://7798a248…77bb6c07 | 05d698a0…5aa08b36 |
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 .