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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 | 152 B | 955,929 | c://2431d5d4…00a2f7ca | d6c1fa06…e8be8f7f |
| untitled | application/json | 6,448 B | 955,929 | c://27648528…3d98f78b | 9b5e7779…4f81822b |
| file.txt | text/plain | 1,059 B | 955,928 | c://b97ceeb9…83ca092e | 42c4a13b…2ebc4c77 |
| untitled | text/markdown | 74 B | 955,928 | c://ecf7c168…aa7427e0 | 84502d63…914db011 |
| No B:// file could be read from this transaction. | 955,927 | 30608b75…3fd0ea34 | |||
| file.txt | text/plain | 8,945 B | 955,925 | c://59f9ef5d…53b65d97 | ac5f7308…22672b11 |
| untitled | text/markdown | 6 B | 955,925 | c://cd36e2f4…d80ba324 | 6f837d57…688719ce |
| untitled | text/markdown | 6 B | 955,925 | c://cd36e2f4…d80ba324 | c7237a94…f31fb32b |
| untitled | text/markdown | 496 B | 955,925 | c://6942bb5d…183a040c | d4f8154b…7eb0868b |
| file.txt | text/plain | 8,945 B | 955,925 | c://59f9ef5d…53b65d97 | 13333b08…69d08022 |
| untitled | text/markdown | 32 B | 955,925 | c://479ae4a4…f225b385 | 47150a78…f86c978c |
| file.txt | text/plain | 8,945 B | 955,925 | c://59f9ef5d…53b65d97 | afb4acd3…2fa7a6ab |
| untitled | text/markdown | 32 B | 955,925 | c://479ae4a4…f225b385 | a0f11807…d4341c7e |
| untitled | text/markdown | 27 B | 955,924 | c://67de7cd6…fa1d4995 | a6a593ca…6591da53 |
| file.txt | text/plain | 8,887 B | 955,924 | c://ef2b2f4b…1140ad98 | 6077ea3f…aa1dbcb6 |
| untitled | text/markdown | 32 B | 955,924 | c://652caa76…afbe7216 | 856cabf2…e8dd5973 |
| untitled | text/markdown | 891 B | 955,924 | c://d373949d…bd665d36 | 8277395f…fdb561e0 |
| untitled | text/markdown | 6 B | 955,924 | c://cd36e2f4…d80ba324 | 52bcdb2f…c9b42125 |
| untitled | text/markdown | 15 B | 955,924 | c://5973a01d…50aba3b3 | cd3837a3…3fa98fcb |
| untitled | text/markdown | 6 B | 955,924 | c://cd36e2f4…d80ba324 | 0693b8f9…ce7dafc3 |
| untitled | text/markdown | 496 B | 955,924 | c://6942bb5d…183a040c | 9ee81bd7…85d60241 |
| untitled | text/markdown | 764 B | 955,924 | c://50bc8e81…9de3d923 | 89ba6f61…1968c254 |
| untitled | text/markdown | 472 B | 955,924 | c://31a365ca…98c94a65 | a80f0d4a…117e849c |
| untitled | text/markdown | 1,214 B | 955,924 | c://0113fff7…fe8ca861 | fb0fb456…c4febbaa |
| untitled | text/markdown | 389 B | 955,924 | c://9e2b3d74…1f4f04e4 | 4e071f2b…4b9fbf5c |
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 .