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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 | 827 B | 956,571 | c://54b93749…c79ee55a | 383b530c…3fd96f18 |
| untitled | text/markdown | 82 B | 956,571 | c://64b2e603…0a2b0ca5 | 285b1a85…df14b925 |
| untitled | text/markdown | 342 B | 956,570 | c://7bccec11…bc9f3aa7 | c3ad5fd3…bf93a2d6 |
| file.jpeg | image/jpeg | 387,050 B | 956,571 | c://a3241ab2…1d0be57d | 13eaaffc…213742c4 |
| file.jpeg | image/jpeg | 387,050 B | 956,570 | c://a3241ab2…1d0be57d | 328f1d2d…256d9e71 |
| untitled | text/markdown | 24 B | 956,570 | c://342a5fb4…a33fdb00 | b7f744df…2efd8622 |
| untitled | text/markdown | 237 B | 956,567 | c://43116ae4…31fe3cfa | ea2e7d53…874539ce |
| file.txt | text/plain | 1,108 B | 956,567 | c://fdc8bd3b…7923e889 | 920ea067…71ab0055 |
| untitled | text/markdown | 124 B | 956,567 | c://0d0bd3d6…1f21a885 | f7d681be…bd51ad53 |
| untitled | text/markdown | 17 B | 956,567 | c://f793e816…cab90225 | e21b6b68…29c87bed |
| untitled | text/markdown | 81 B | 956,565 | c://b4a6c2c6…7141ed57 | 30f5c117…6df7dd10 |
| untitled | text/markdown | 21 B | 956,560 | c://4647deb9…d3069510 | 92c53ed8…679f8e42 |
| file.txt | text/plain | 47 B | 956,556 | c://8a5ac6a3…82b92729 | 496497d9…9a793dbe |
| untitled | text/markdown | 112 B | 956,556 | c://a7be62f3…d3467e87 | 537f5a1b…7498fb69 |
| untitled | text/markdown | 21 B | 956,560 | c://bfbe98f4…d67e35f5 | 339168d8…f96d4503 |
| untitled | text/markdown | 19 B | 956,557 | c://0fd32f13…044fd56c | 249792cc…a6708cbd |
| file.txt | text/plain | 114 B | 956,556 | c://225116f1…9eb8f775 | 57c50e51…0e724982 |
| No B:// file could be read from this transaction. | 956,556 | 4fa243f6…800069a8 | |||
| file.txt | text/plain | 644 B | 956,555 | c://3565e3cb…c8fd71f3 | 2f8b8539…3bdb1131 |
| No B:// file could be read from this transaction. | 956,555 | 55a61146…83ec6d34 | |||
| file.txt | text/plain | 54 B | 956,555 | c://e42f28f5…27a131ae | 6abb768e…e25eabf8 |
| untitled | text/markdown | 55 B | 956,555 | c://2cf560d8…02f31c6f | d9d84932…56c3188f |
| No B:// file could be read from this transaction. | 956,556 | 705c6660…d598fec3 | |||
| untitled | text/markdown | 277 B | 956,556 | c://4a442d1d…712025d5 | 8fb27a7a…a94825cf |
| untitled | text/markdown | 164 B | 956,556 | c://4b8eb098…69e01caa | f7171f5c…22483b15 |
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 .