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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 |
|---|---|---|---|---|---|
| untitled | text/markdown | 35 B | 956,724 | c://5e0cadd8…ad4515db | 2a3f19e5…10e7f52b |
| untitled | text/markdown | 6 B | 956,724 | c://cd36e2f4…d80ba324 | 75f494bf…c244de18 |
| untitled | text/markdown | 81 B | 956,724 | c://f7d1daa8…083a95f2 | ec233d18…ea11bccc |
| untitled | text/markdown | 81 B | 956,724 | c://f7d1daa8…083a95f2 | 360a461e…1265ac29 |
| untitled | text/markdown | 48 B | 956,724 | c://f63216df…5376fe3a | 85ee3311…9fb82fae |
| untitled | text/markdown | 6 B | 956,724 | c://cd36e2f4…d80ba324 | 9a407536…4850a929 |
| untitled | text/markdown | 6 B | 956,724 | c://cd36e2f4…d80ba324 | 3c5730cf…05da16b6 |
| untitled | text/markdown | 35 B | 956,724 | c://5e0cadd8…ad4515db | d2906449…9ea13ac0 |
| untitled | text/markdown | 125 B | 956,724 | c://a512d30d…1fd62ae4 | 0d034d9e…7df1bd61 |
| file.txt | text/plain | 200 B | 956,724 | c://8bf76355…06612914 | 0dbfd0eb…ebdd4673 |
| untitled | text/markdown | 85 B | 956,724 | c://15703852…9162b12b | 829699be…6e75a82f |
| file.bin | application/pdf | 208,166 B | 956,724 | c://f0695bbc…889a352a | cc897d78…6a83c389 |
| file.txt | text/plain | 159 B | 956,724 | c://b6972444…2b5b1738 | 6a7fd7af…c155dc73 |
| untitled | text/markdown | 111 B | 956,724 | c://288fc140…f13958f0 | a768db40…b3990337 |
| untitled | text/markdown | 6 B | 956,724 | c://cd36e2f4…d80ba324 | c2211648…aebbf7cc |
| untitled | text/markdown | 23 B | 956,724 | c://e67be3a0…a0174576 | 43bc5013…e150bc86 |
| untitled | application/json | 203 B | 956,724 | c://f9550859…e666ab7f | f95b2682…bfac5f83 |
| file.txt | text/plain | 2,638 B | 956,721 | c://c616b75f…b0d933f9 | 196698e2…2e29d312 |
| file.bin | application/pdf | 208,166 B | 956,721 | c://f0695bbc…889a352a | aaf8c8c0…39063625 |
| untitled | text/markdown | 18 B | 956,721 | c://a7f1178b…b4a0f146 | eb5bca1b…11b1d7e6 |
| untitled | text/markdown | 14,511 B | 956,721 | c://c7da5a2d…ccb8b6b4 | 04107ac9…2e1cfe16 |
| file.txt | text/plain | 2,638 B | 956,721 | c://c616b75f…b0d933f9 | 6d20fe22…5dd003e1 |
| file.txt | text/plain | 2,638 B | 956,721 | c://c616b75f…b0d933f9 | 0a4e9915…d2a62d55 |
| untitled | text/markdown | 14,511 B | 956,721 | c://c7da5a2d…ccb8b6b4 | 51a59b0b…677e9569 |
| file.txt | text/plain | 369 B | 956,718 | c://f95a744a…46d961b2 | a9f3e850…24c2df58 |
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 .