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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 | 6 B | 955,263 | c://cd36e2f4…d80ba324 | a646233e…9c0fe3f8 |
| file.txt | text/plain | 5,556 B | 955,263 | c://d131b517…5bdf3c23 | f87c198a…1f67d51a |
| untitled | text/markdown | 63 B | 955,263 | c://2412161c…c58151c2 | ab0aabb0…55b31836 |
| file.txt | text/plain | 137 B | 955,263 | c://1ec1ea3f…ce59d9ee | 2647bfee…058d52ae |
| file.jpeg | image/jpeg | 1,012,585 B | 955,263 | c://2bb764f8…f8f9ab79 | 4258b065…20966996 |
| file.txt | text/plain | 3,926 B | 955,263 | c://b2b4c241…481771a1 | f2515619…035eca77 |
| file.txt | text/plain | 5,560 B | 955,263 | c://cd124a29…e82b3ca7 | 08cb9d0e…6a317637 |
| file.jpeg | image/jpeg | 247,904 B | 955,263 | c://2971f56d…0396418a | cdcdd10c…377f5378 |
| file.jpeg | image/jpeg | 247,904 B | 955,263 | c://2971f56d…0396418a | 5720d63d…4201e1f4 |
| untitled | text/markdown | 15 B | 955,263 | c://bb630fce…b3523d98 | a988b590…087158bb |
| untitled | text/markdown | 6 B | 955,263 | c://cd36e2f4…d80ba324 | 069147f4…6dd724de |
| untitled | text/markdown | 497 B | 955,263 | c://d332c554…ed768bed | 60d23bc3…d2892151 |
| untitled | text/markdown | 2,238 B | 955,263 | c://cae4c92b…0546298b | de53a89c…ecf98fed |
| file.txt | text/plain | 5,560 B | 955,263 | c://cd124a29…e82b3ca7 | 2b223ff6…93dec3a6 |
| untitled | text/markdown | 78 B | 955,263 | c://a17dd38c…a5ba98c0 | 8380d324…a57c34d6 |
| untitled | text/markdown | 6 B | 955,263 | c://cd36e2f4…d80ba324 | 1affd353…c1e5080c |
| file.txt | text/plain | 3,926 B | 955,263 | c://b2b4c241…481771a1 | c20cdec6…32db9855 |
| untitled | text/markdown | 2,238 B | 955,263 | c://cae4c92b…0546298b | 8e964989…15339721 |
| file.jpeg | image/jpeg | 1,012,585 B | 955,263 | c://2bb764f8…f8f9ab79 | 337b260f…5190a5f4 |
| untitled | text/markdown | 497 B | 955,263 | c://d332c554…ed768bed | b6bf86bd…bc860159 |
| untitled | text/markdown | 6 B | 955,263 | c://cd36e2f4…d80ba324 | fd8ce955…a9145d37 |
| untitled | text/markdown | 6 B | 955,262 | c://cd36e2f4…d80ba324 | 529230a3…683c92d3 |
| untitled | text/markdown | 6 B | 955,262 | c://cd36e2f4…d80ba324 | e18f7814…fa04c56f |
| file.jpeg | image/jpeg | 247,904 B | 955,260 | c://2971f56d…0396418a | 836ab70f…c7045231 |
| untitled | text/markdown | 15 B | 955,260 | c://bb630fce…b3523d98 | 9f8dd4df…1c15a8e6 |
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 .