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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.jpeg | image/jpeg | 272,077 B | 956,052 | c://ac7e88d0…2aa9d9bd | d046b6b6…680b6c9f |
| file.txt | text/plain | 171 B | 956,052 | c://94476590…1ca63c85 | 95d537a1…a4515921 |
| untitled | text/markdown | 55 B | 956,052 | c://ea85866c…1564c9a4 | 467a95c4…0af19d97 |
| untitled | text/markdown | 4 B | 956,052 | c://d8c7b339…962194b4 | 936c3395…1be5bf81 |
| untitled | text/markdown | 370 B | 956,052 | c://f5788b53…4f60d7cb | fabefd90…26bcdc16 |
| No B:// file could be read from this transaction. | 956,052 | d6464df9…a7003813 | |||
| untitled | text/markdown | 59 B | 956,052 | c://dc79f356…2610b7c8 | 5b5440dd…e13b12d3 |
| file.txt | text/plain | 243 B | 956,052 | c://0578c729…00fbd723 | cfc67e5e…ac1ac1d3 |
| untitled | text/markdown | 74 B | 956,052 | c://326fd3b8…4521ca30 | 61dfbab9…fa03fa1f |
| untitled | text/markdown | 59 B | 956,052 | c://dc79f356…2610b7c8 | 753b148d…337db5bf |
| No B:// file could be read from this transaction. | 956,052 | fb2e2405…b6945350 | |||
| untitled | text/markdown | 4 B | 956,052 | c://d8c7b339…962194b4 | ed86d7f4…3112a90c |
| file.jpeg | image/jpeg | 272,077 B | 956,052 | c://ac7e88d0…2aa9d9bd | c856fb02…cd4130ae |
| untitled | text/markdown | 370 B | 956,052 | c://f5788b53…4f60d7cb | b906db78…29d93418 |
| file.txt | text/plain | 171 B | 956,052 | c://94476590…1ca63c85 | 04e32a67…ab5fb288 |
| untitled | text/markdown | 55 B | 956,052 | c://ea85866c…1564c9a4 | f404fef6…cc6c115c |
| untitled | application/json | 6,462 B | 956,052 | c://1350ca41…48e533cb | a429be41…5d6828a1 |
| file.txt | text/plain | 11,931 B | 956,050 | c://c60b53ed…dabe671d | 1a4dceb9…507aabcf |
| untitled | text/markdown | 32 B | 956,050 | c://a92a830f…946a2579 | 30f186ab…a605b1ac |
| untitled | text/markdown | 64 B | 956,048 | c://d6865cff…f942dd30 | bafdab1a…06004888 |
| file.txt | text/plain | 25,828 B | 956,048 | c://f0b3c550…445b90dc | 9c91ed79…0534dc5d |
| untitled | text/markdown | 32 B | 956,048 | c://cb59b523…a1f2539a | 3eb35fdd…361ba747 |
| untitled | text/markdown | 148 B | 956,048 | c://a4440744…9948d379 | 639e1009…873a9ea8 |
| file.txt | text/plain | 1,912 B | 956,048 | c://94ef4067…5be7194c | 05cc9ba3…2003d9f3 |
| untitled | text/markdown | 32 B | 956,048 | c://7d962422…e1cfc6ed | 43346105…a9fdb20f |
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 .