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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 | 57 B | 955,850 | c://dab8e97b…6978698c | 2f918730…a90969ee |
| file.txt | text/plain | 535 B | 955,851 | c://98bfcfae…4a8a5f19 | d887ca8b…7a137cd2 |
| untitled | text/markdown | 76 B | 955,851 | c://f859bd74…0b198d87 | 688b31a2…207b0659 |
| file.txt | text/plain | 429 B | 955,851 | c://444e325f…821dc101 | a4a09ec1…20617161 |
| untitled | text/markdown | 111 B | 955,851 | c://16b5b4af…a33ade7f | 1f278471…7cedef89 |
| untitled | text/markdown | 19 B | 955,851 | c://c24e0dd1…dc4a4363 | f5915edf…45aded06 |
| untitled | text/markdown | 6 B | 955,849 | c://cd36e2f4…d80ba324 | 6e8dbd22…3663f054 |
| file.txt | text/plain | 294 B | 955,849 | c://824dcb82…8c0c774e | ebb25849…f2cad65b |
| untitled | text/markdown | 51 B | 955,849 | c://4fb0f510…4d6ac582 | 24d6dabb…20f076be |
| file.txt | text/plain | 198 B | 955,849 | c://9a2d4cb3…2819c0dd | 18e79246…dfe0c385 |
| untitled | text/uri-list | 72 B | 955,849 | c://f2260867…ef73e0ae | 17c7f37d…e01bbc6b |
| No B:// file could be read from this transaction. | 955,849 | 974d2250…9e4e7616 | |||
| untitled | text/markdown | 6 B | 955,849 | c://cd36e2f4…d80ba324 | 0ed6c7da…6b061e7c |
| untitled | text/markdown | 17 B | 955,849 | c://27960e2a…2ccb7948 | 50c19d3e…3294e15b |
| file.txt | text/plain | 94 B | 955,849 | c://6561a345…c81f6f2c | 6d2eb576…c8175e86 |
| No B:// file could be read from this transaction. | 955,849 | 3ec64d9f…b359f49d | |||
| untitled | text/markdown | 6 B | 955,849 | c://cd36e2f4…d80ba324 | 716b3247…da2e1bae |
| untitled | text/markdown | 6 B | 955,849 | c://cd36e2f4…d80ba324 | 75cce42d…1067d66c |
| untitled | text/markdown | 6 B | 955,849 | c://cd36e2f4…d80ba324 | c1355f45…c0c05fa6 |
| untitled | text/markdown | 6 B | 955,849 | c://cd36e2f4…d80ba324 | eb719cb8…527fb14e |
| untitled | text/markdown | 181 B | 955,849 | c://9c6e8275…6b22b89c | 4065a0d0…107ab484 |
| untitled | text/markdown | 42 B | 955,849 | c://3d2d79ee…572ec73c | 929b998c…cfc91eaa |
| file.txt | text/plain | 1,613 B | 955,849 | c://6d8586ff…b7efe697 | 2e1ea182…bfde57c7 |
| untitled | text/markdown | 42 B | 955,849 | c://3d2d79ee…572ec73c | 92fb2556…3c448729 |
| untitled | text/markdown | 181 B | 955,849 | c://9c6e8275…6b22b89c | 9c42e3bf…896ec573 |
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 .