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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 | 369 B | 957,625 | c://5ec21a79…69f9073b | 31df68e7…2b71727b |
| untitled | text/markdown | 160 B | 957,625 | c://d3c57adf…1a444b7d | 3f6aeb1a…216237b2 |
| untitled | text/markdown | 3 B | 957,621 | c://f0e948db…28b30eae | 9cf1eec5…13970443 |
| untitled | text/markdown | 18 B | 957,621 | c://619b4f33…806e60bc | 0fede138…40dddfd8 |
| untitled | text/markdown | 57 B | 957,621 | c://16047934…9bcd7145 | 42fdd1ea…12950393 |
| untitled | text/markdown | 20 B | 957,621 | c://ec343e76…053afc9f | 256654be…de6d905d |
| untitled | text/markdown | 68 B | 957,621 | c://d2df8f3f…8b05651e | 41cbc2c2…603bc972 |
| file.txt | text/plain | 980 B | 957,621 | c://96e56454…8b7171ef | 2c42469c…df8b226e |
| untitled | text/markdown | 178 B | 957,621 | c://fed0391d…0b732f66 | cc580161…5d084af0 |
| untitled | text/markdown | 30 B | 957,621 | c://cd82aa0a…73ec039f | 65a3dc1a…8defab48 |
| untitled | text/markdown | 1 B | 957,621 | c://ef2d127d…64afe39d | c3aae9fb…7fddcdba |
| untitled | text/markdown | 1 B | 957,621 | c://4b227777…acdabf8a | 28f9b366…98a05ff3 |
| untitled | text/markdown | 1 B | 957,621 | c://4e074085…29b49fce | 38b78aa9…7e4ad595 |
| untitled | text/markdown | 1 B | 957,620 | c://d4735e3a…ec13ab35 | 8fdfddae…2e792f79 |
| untitled | text/markdown | 1 B | 957,620 | c://6b86b273…b7875b4b | ce4cb8a5…d91f587c |
| untitled | text/markdown | 106 B | 957,620 | c://e0ea452c…54a80d8e | 05975106…c20669f7 |
| untitled | text/markdown | 6 B | 957,615 | c://cd36e2f4…d80ba324 | a597bb87…c400314b |
| untitled | text/markdown | 6 B | 957,615 | c://cd36e2f4…d80ba324 | 4790bbcc…237897fa |
| untitled | text/markdown | 6 B | 957,615 | c://cd36e2f4…d80ba324 | e1e1de33…a3fd22b0 |
| untitled | text/markdown | 6 B | 957,615 | c://cd36e2f4…d80ba324 | 5fdda1ce…8bc08db2 |
| untitled | text/markdown | 6 B | 957,615 | c://cd36e2f4…d80ba324 | b5b1a3bd…a3d29c44 |
| untitled | text/markdown | 6 B | 957,615 | c://cd36e2f4…d80ba324 | d2e793c8…9c012391 |
| untitled | text/markdown | 6 B | 957,615 | c://cd36e2f4…d80ba324 | 407071c7…fcd14fcf |
| untitled | text/markdown | 6 B | 957,615 | c://cd36e2f4…d80ba324 | ace6f6e2…2f5420e3 |
| untitled | text/markdown | 6 B | 957,615 | c://cd36e2f4…d80ba324 | 67a47d5f…a9324d2b |
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 .