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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 | 1,613 B | 956,141 | c://3b6ef194…8f85095e | 7c0fafb8…6dffe5bf |
| file.txt | text/plain | 886 B | 956,141 | c://0e86c4b5…3a85433a | 926fede7…04af752f |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | a79c13b7…67052bf8 |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 91572f16…02272036 |
| No B:// file could be read from this transaction. | 956,141 | 8e46b084…782451ec | |||
| untitled | text/markdown | 99 B | 956,141 | c://9b8dbba9…e9eb4b3f | 5f7786fa…3f3ffd45 |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 6bee2a6d…fc93208f |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 4779e517…4d6b6279 |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 41a31301…f680c653 |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 5db201ad…2b8cb60f |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 42602351…241cf319 |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 880902bf…d775aa78 |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 0d447c02…fda459d5 |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 1646259e…8b40b64d |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | cab4ac2b…35e618a3 |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 57874ab7…ef1f7ca0 |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 6c9e752e…c8c53d10 |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 4e8f7933…68f78ecb |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 0bf21aed…6d6b847d |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | f8d559eb…76f97233 |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | c11d2630…1a281d00 |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 1f9ad6a0…eaf2d89b |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 80e822cd…c98cf5ab |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | fcce06d3…c1f82e52 |
| untitled | text/markdown | 3 B | 956,141 | c://9279c116…da95f6cf | 5616e6e2…b2b38894 |
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 .