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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 | 425 B | 955,789 | c://68256d81…ef6b6133 | d9482b6b…98a04332 |
| untitled | text/markdown | 52 B | 955,789 | c://73d30f7e…db9cc70a | c85fb01a…ca30e007 |
| untitled | text/markdown | 28 B | 955,791 | c://b4878baa…1c34cf8b | 2ce471e6…79ec3948 |
| untitled | application/json | 6,171 B | 955,790 | c://a7b9239a…1d184b4d | 350ace6b…0a7d7c29 |
| file.png | image/png | 18,609 B | 955,789 | c://c8ddae37…09857782 | a6e5e92f…0561133b |
| untitled | text/markdown | 17 B | 955,789 | c://0e19e6b8…35bebfd5 | 35d64b1b…727a7c3d |
| file.png | image/png | 396,640 B | 955,786 | c://fb0ba17c…a1ce9362 | 8da26f23…b4216e80 |
| file.txt | text/plain | 76,286 B | 955,786 | c://c7f5daae…c2f4245d | 04f64d37…1d0353a9 |
| file.txt | text/plain | 76,649 B | 955,786 | c://464fdbaf…01a6f8ab | 6d604cd0…ad330067 |
| file.txt | text/plain | 113 B | 955,786 | c://6a1e4c7f…a3e06465 | 7c620cb9…f1eb705a |
| file.txt | text/plain | 113 B | 955,786 | c://81630c4c…81fa1de8 | dd3165fe…d2a5cec1 |
| untitled | text/markdown | 83 B | 955,786 | c://44af946a…9a4f9eaa | b3d576b2…06a5a2a7 |
| untitled | text/markdown | 158 B | 955,786 | c://0570d560…09665e4e | 5bfd6f61…42656409 |
| untitled | text/markdown | 319 B | 955,786 | c://20b446c6…6da02174 | 22b7d6c2…ba106c9a |
| untitled | text/markdown | 316 B | 955,786 | c://cad479fb…58a9e43b | ad4311ce…781deed5 |
| untitled | text/markdown | 219 B | 955,786 | c://e056f81f…96d89694 | 2b17d149…c763bfe3 |
| untitled | text/markdown | 291 B | 955,786 | c://538efaca…870531c1 | ed3e7ba6…0d3b2539 |
| untitled | text/markdown | 99 B | 955,786 | c://0d5ed578…745b4cfe | 18d54568…97eb23ff |
| untitled | text/markdown | 154 B | 955,786 | c://3a77bf11…5499b679 | 141db545…35718408 |
| untitled | text/markdown | 66 B | 955,786 | c://b5636ef6…3c8038a9 | b21e132e…b73a36c4 |
| untitled | text/markdown | 222 B | 955,786 | c://2f00d9a7…0a01ecd0 | 118b0729…a15c132b |
| untitled | text/markdown | 110 B | 955,786 | c://036c2e39…c6d5d2e9 | 997ad6c5…536fe558 |
| untitled | text/markdown | 278 B | 955,786 | c://c0c395c2…599f3f31 | e673c68c…374511d8 |
| untitled | text/markdown | 98 B | 955,786 | c://12ddd13c…167d50e7 | b971c879…bfb749e7 |
| untitled | text/markdown | 158 B | 955,786 | c://a4bbed4e…4ade7c54 | a24baef4…4f70a746 |
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 .