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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 | 37 B | 957,555 | c://9b122cba…4b61e0f2 | 155491e9…4b92dff5 |
| file.txt | text/plain | 1,305 B | 957,555 | c://7e0493f9…cc39d1e9 | faedc4bb…6760bf3d |
| file.txt | text/plain | 8,359 B | 957,555 | c://f049a6bc…a0d2a417 | daac97ff…cb884a3b |
| file.txt | text/plain | 11,265 B | 957,555 | c://5fcf03a4…8e1e2f23 | e587be6c…8570bbad |
| file.txt | text/plain | 12,789 B | 957,555 | c://21bef5d4…1e9f88c2 | 1e464c9a…323f1b53 |
| untitled | text/markdown | 108 B | 957,555 | c://435fdc76…b58422dc | 9ce73483…7d3edc87 |
| untitled | text/markdown | 3 B | 957,555 | c://9279c116…da95f6cf | cab407b0…1149718a |
| untitled | text/markdown | 1,353 B | 957,555 | c://63b4e8d0…e2e25bf4 | 184eaf29…4835d4cd |
| file.txt | text/plain | 538 B | 957,555 | c://ebee00d9…f46cf133 | 40f2c0de…3842a597 |
| untitled | text/markdown | 3 B | 957,555 | c://9279c116…da95f6cf | ed8c7cd5…c5413725 |
| untitled | text/markdown | 18 B | 957,555 | c://65c3a28b…af7c0905 | 640dabab…746679ac |
| untitled | text/markdown | 13 B | 957,555 | c://e86b6216…ebc9aeaf | 4cb8a9ee…df69aa20 |
| untitled | text/markdown | 58 B | 957,555 | c://79a0207e…e62cf428 | ac7fec00…b7cb188a |
| untitled | text/markdown | 74 B | 957,555 | c://9179d3a0…03e9f613 | 7737d15f…0fcb16fd |
| No B:// file could be read from this transaction. | 957,555 | ad1e4871…012a9e76 | |||
| untitled | text/markdown | 32 B | 957,555 | c://e37b009b…5724a683 | 89c1ce84…a7bfaf14 |
| untitled | text/markdown | 32 B | 957,555 | c://ef20132e…eb9c7d8a | 0af0012a…24e20ee9 |
| No B:// file could be read from this transaction. | 957,555 | 05ac82ff…decfa0ed | |||
| untitled | text/markdown | 32 B | 957,555 | c://d3a00114…815efcf6 | 5db6d735…1f9d2f0c |
| untitled | text/markdown | 32 B | 957,555 | c://10e116bb…3dcbee24 | f18ae449…cdaa6934 |
| untitled | text/markdown | 24 B | 957,555 | c://49bc2e09…fc3a071d | 5361a54e…fd84b2e4 |
| untitled | text/markdown | 63 B | 957,555 | c://289cc51a…e57c24f4 | 5f8fa492…4343c581 |
| untitled | text/markdown | 90 B | 957,555 | c://89adaad3…7dfd3e1c | 00bd4507…65d36ccb |
| untitled | text/markdown | 43 B | 957,555 | c://07b2d204…f471013b | 5fc31f8c…0b27dbe1 |
| file.txt | text/plain | 12,789 B | 957,555 | c://21bef5d4…1e9f88c2 | f0f40964…8b8d18c2 |
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 .