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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 | 956,033 | c://bd74160a…cc1acfef | 276df94d…bb49c564 |
| file.txt | text/plain | 269 B | 956,033 | c://ceb9548c…4f35d4e4 | 99a86a41…e7d142ed |
| file.txt | text/plain | 5,148 B | 956,033 | c://b15dc9e2…ce7300d8 | 925b4df0…a20a8e9b |
| file.txt | text/plain | 195 B | 956,033 | c://26248623…e67be935 | 8c23ecfa…a84652b7 |
| file.txt | text/plain | 2,161 B | 956,033 | c://be9ce9c5…b7dece1a | cef6db57…b1313d3b |
| file.txt | text/plain | 2,161 B | 956,033 | c://be9ce9c5…b7dece1a | 80e227f4…dcfb24f4 |
| No B:// file could be read from this transaction. | 956,033 | 0a571166…13d191b2 | |||
| untitled | text/markdown | 6 B | 956,033 | c://cd36e2f4…d80ba324 | d930875d…33a97b26 |
| untitled | text/markdown | 13 B | 956,033 | c://e9ebd61a…10d2603b | 359ff70a…0ace3dff |
| untitled | text/markdown | 58 B | 956,033 | c://e455e60f…74931788 | 70c46f1b…fe81d69e |
| untitled | text/markdown | 6 B | 956,033 | c://cd36e2f4…d80ba324 | b57e0194…ef80bc59 |
| untitled | text/markdown | 22 B | 956,033 | c://7f3645f5…7b22256f | e7275eaa…18414daa |
| untitled | text/markdown | 73 B | 956,031 | c://4e82a93a…8095abe6 | e0ec5b0a…393897df |
| file.txt | text/plain | 1,785 B | 956,030 | c://cb0cd85e…2c7f1363 | 35f30a52…e147c73d |
| file.jpeg | image/jpeg | 124,598 B | 956,030 | c://916ebb25…3ed01fb3 | 1180f533…4303bd82 |
| file.txt | text/plain | 259 B | 956,030 | c://4a90c76e…240478fa | b382f9be…e0234422 |
| file.txt | text/plain | 814 B | 956,030 | c://4f7db0c7…a33e86e3 | cfa7bc8f…e32e52f8 |
| untitled | text/markdown | 1,336 B | 956,030 | c://54a2b7d4…84d89ecf | 3adf6fe5…f2ac95b4 |
| untitled | text/markdown | 34 B | 956,030 | c://9a721fb4…770ff60f | 6f972874…19d93ac5 |
| untitled | application/json | 203 B | 956,030 | c://defa3945…e2ea720a | ea31d42d…2b588bc7 |
| untitled | text/markdown | 423 B | 956,030 | c://4c60cac9…8128b04e | 0d6df661…a34416de |
| untitled | text/markdown | 423 B | 956,030 | c://801dd186…6d91f043 | 4a08e7b2…712a914c |
| untitled | text/markdown | 322 B | 956,030 | c://56c47185…3593c8fa | f48da4de…ad0367cd |
| untitled | text/markdown | 292 B | 956,030 | c://b2998508…7bcb171e | 7628efa4…ad6c508e |
| untitled | text/markdown | 6 B | 956,030 | c://cd36e2f4…d80ba324 | 3865a4af…c3f59e62 |
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 .