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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 | 25,940 B | 956,048 | c://5a641b34…a3eca11e | 8150ee20…e8b8fe10 |
| untitled | text/markdown | 32 B | 956,048 | c://8238cd2d…118a78dc | 4d133290…caf7697a |
| untitled | text/markdown | 302 B | 956,048 | c://731e032f…3990edfa | a93c66c4…6403282a |
| file.txt | text/plain | 61,068 B | 956,048 | c://689577b8…941d14ea | 3bfe08c9…19d0204c |
| untitled | text/markdown | 111 B | 956,048 | c://b0219efa…51f860b5 | cafbf21f…bc28190b |
| file.txt | text/plain | 5,977 B | 956,048 | c://25c63dc3…6e4e2bda | 4f70dcae…8cb3957f |
| untitled | text/markdown | 32 B | 956,048 | c://6f86d65c…e17760c4 | c811e18d…71de7a9c |
| untitled | application/json | 203 B | 956,047 | c://95072798…1dbff821 | dd384a9a…3e513af2 |
| file.txt | text/plain | 5,977 B | 956,047 | c://25c63dc3…6e4e2bda | 1fc11b5c…3ef86956 |
| untitled | text/markdown | 32 B | 956,047 | c://6f86d65c…e17760c4 | ab632d86…0bd76440 |
| file.txt | text/plain | 86 B | 956,045 | c://6037cdbc…b93f8cda | 3849e843…fbd03378 |
| untitled | text/markdown | 60 B | 956,045 | c://93e39b68…408356c9 | 45ec4f90…035ab378 |
| file.txt | text/plain | 2,550 B | 956,045 | c://1658623a…8648e8cc | 77066399…bb227da6 |
| file.txt | text/plain | 18,625 B | 956,045 | c://e0fe9589…578a1302 | 04ee2ea2…6b98d7dd |
| untitled | text/markdown | 77 B | 956,045 | c://feb4b318…bf446cfe | 0c7a31df…016ded5e |
| No B:// file could be read from this transaction. | 956,045 | 7a1f5f1b…b31d7897 | |||
| untitled | text/markdown | 1,779 B | 956,045 | c://96cb419a…e8ff8f65 | 0914e4c0…094798ab |
| untitled | text/markdown | 61 B | 956,045 | c://637653bd…de241c1c | eefbc1c2…20ca4330 |
| untitled | text/markdown | 6 B | 956,045 | c://cd36e2f4…d80ba324 | 5440f395…da013d08 |
| No B:// file could be read from this transaction. | 956,045 | 28404778…a12f90a1 | |||
| file.txt | text/plain | 2,550 B | 956,045 | c://1658623a…8648e8cc | 36cd0770…18ce996f |
| No B:// file could be read from this transaction. | 956,045 | 12e972df…bf5d3198 | |||
| No B:// file could be read from this transaction. | 956,040 | 3a1c763b…95028518 | |||
| untitled | application/json | 203 B | 956,038 | c://c10a1f78…79dffcb6 | 3ba19083…2c34c975 |
| untitled | text/markdown | 18 B | 956,036 | c://4b8f5d5d…b8a9d109 | c8917568…6d7d9b82 |
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 .