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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 | 267 B | 957,099 | c://516a5764…2ac0d057 | 78247584…1be6a94f |
| untitled | text/markdown | 121 B | 957,099 | c://5a84c12d…77d00ee3 | 325dc38b…1e538e05 |
| untitled | application/json | 5,995 B | 957,099 | c://72da990f…93a8cb17 | cf83eef8…735732c4 |
| file.txt | text/plain | 146 B | 957,097 | c://d4d22eac…4660d349 | dca9759a…222e5ae1 |
| untitled | text/markdown | 238 B | 957,097 | c://b940cedc…e54a5f10 | b49d5a4e…673afb22 |
| untitled | text/markdown | 44 B | 957,097 | c://330a40eb…6cc15fb1 | 9bb8132d…17ba8b3d |
| untitled | text/markdown | 74 B | 957,097 | c://e005ce12…daa66f93 | 1678d92d…7c056ba6 |
| untitled | text/markdown | 74 B | 957,097 | c://e005ce12…daa66f93 | e771b3bd…90535fac |
| untitled | text/markdown | 44 B | 957,097 | c://330a40eb…6cc15fb1 | a606de99…14a03c19 |
| file.jpeg | image/jpeg | 31,642 B | 957,096 | c://3494cd9b…3d12975d | 4ec69cbb…f23fe749 |
| untitled | text/markdown | 11 B | 957,096 | c://24fc7899…dc884851 | 5c6c0f56…4d9da2ed |
| file.jpeg | image/jpeg | 31,642 B | 957,096 | c://3494cd9b…3d12975d | 3fb9ccec…20631a5c |
| untitled | text/markdown | 11 B | 957,096 | c://24fc7899…dc884851 | eba90d36…96eb6ae4 |
| untitled | text/markdown | 18 B | 957,095 | c://4b8f5d5d…b8a9d109 | dbc4d450…511abe73 |
| untitled | text/markdown | 3 B | 957,095 | c://2640f31a…d8710602 | 480fb712…62709b4f |
| untitled | application/json | 203 B | 957,095 | c://9da53c00…37e0a73e | 6f912d19…c49a470b |
| untitled | text/markdown | 3 B | 957,095 | c://2640f31a…d8710602 | 39a3abf8…e817968b |
| untitled | text/markdown | 3 B | 957,095 | c://2640f31a…d8710602 | ff0fd5dd…ccc06101 |
| file.jpeg | image/jpeg | 284,669 B | 957,092 | c://3835aa44…40a2783d | 495e0c49…b14e9f58 |
| untitled | text/markdown | 42 B | 957,092 | c://e46d4771…01bad11d | 9b378e1a…73385db4 |
| file.jpeg | image/jpeg | 284,669 B | 957,092 | c://3835aa44…40a2783d | df5e33e3…15031b62 |
| untitled | text/markdown | 42 B | 957,092 | c://e46d4771…01bad11d | f1b67ccd…2a68b46d |
| untitled | text/markdown | 484 B | 957,090 | c://2fe555a3…59f658cf | 2e0d8352…7032782b |
| untitled | text/markdown | 484 B | 957,090 | c://2fe555a3…59f658cf | c5d8b2a6…9cdd45a3 |
| untitled | text/markdown | 78 B | 957,089 | c://d9f073c3…9cb253c4 | ece02781…48580b22 |
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 .