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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 | 62 B | 956,078 | c://03790a90…320b641c | a65c97c7…fbc8ae5f |
| untitled | text/markdown | 43 B | 956,078 | c://a897a20e…fbbb9fe3 | 5a00d48b…d7cfd1b0 |
| No B:// file could be read from this transaction. | 956,078 | fc728e93…68cc71fd | |||
| untitled | text/markdown | 18 B | 956,078 | c://4b8f5d5d…b8a9d109 | fc32710d…f163258c |
| No B:// file could be read from this transaction. | 956,078 | ff3a6612…5650b568 | |||
| No B:// file could be read from this transaction. | 956,078 | b1c956ba…f8d08b72 | |||
| file.jpeg | image/jpeg | 332,540 B | 956,079 | c://b345bc5d…736bde13 | 3bf6c72e…f9574d47 |
| untitled | text/markdown | 18 B | 956,078 | c://4b8f5d5d…b8a9d109 | 3ef9de15…640f1e8e |
| untitled | application/json | 203 B | 956,078 | c://8c811380…1e13a202 | b3ba534f…8568e5ed |
| file.txt | text/plain | 6,663 B | 956,077 | c://3504a187…8520557f | 9ad46757…43806c1a |
| file.txt | text/plain | 62 B | 956,078 | c://03790a90…320b641c | 8650adee…0870c29c |
| No B:// file could be read from this transaction. | 956,078 | df0c3ffd…6ee8c959 | |||
| untitled | text/markdown | 32 B | 956,077 | c://b71179c6…f4b121d1 | 8ad3006a…9a094e6e |
| file.txt | text/plain | 6,663 B | 956,077 | c://3504a187…8520557f | 71248103…70c06ee2 |
| untitled | text/markdown | 32 B | 956,077 | c://b71179c6…f4b121d1 | 664b259f…6e3f7261 |
| untitled | text/markdown | 142 B | 956,076 | c://7a1f051b…fc1af553 | c123978c…0781ca19 |
| file.txt | text/plain | 823 B | 956,076 | c://a9a93e1e…2fb2e27e | b4bf4c91…0b7af643 |
| untitled | text/markdown | 83 B | 956,076 | c://0cf24bc4…2a415d8e | 56e84e6c…b94ec105 |
| file.txt | text/plain | 73 B | 956,076 | c://06fa573c…034dbaed | 3abfbf97…06d837c2 |
| file.txt | text/plain | 73 B | 956,076 | c://06fa573c…034dbaed | d1c64b8d…c20d9df4 |
| No B:// file could be read from this transaction. | 956,076 | 65b5a5e2…e200acae | |||
| untitled | text/markdown | 35 B | 956,074 | c://681d1f99…51e62f84 | 3ba39cec…0bc0b4dc |
| untitled | application/json | 202 B | 956,072 | c://d71dfbc5…b0bd4f78 | aaab7bc3…90156192 |
| untitled | text/markdown | 379 B | 956,072 | c://c00796a2…8444b779 | a7c2cd2a…b9ad965c |
| untitled | text/markdown | 19 B | 956,072 | c://66afa622…8a10e766 | 3e9bc1c0…62bd07cb |
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 .