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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.png | image/png | 81,685 B | 957,677 | c://b26fe629…5b7686a8 | 3f4dbd5a…e8920370 |
| untitled | text/markdown | 16 B | 957,677 | c://bab83265…02a4d186 | 265a48fd…cc8928fa |
| untitled | text/markdown | 15 B | 957,677 | c://ff35ee7a…300a3f3a | f5acc064…9573dc60 |
| file.txt | text/plain | 209 B | 957,677 | c://d3d90461…3d8d303d | ed8e7511…c12298e8 |
| untitled | text/markdown | 84 B | 957,677 | c://affe6317…19aa2dec | b1fb2dfb…dd1987c8 |
| untitled | text/markdown | 49 B | 957,677 | c://760e28a7…53a2f2e6 | 4c2b0427…9e54c7c5 |
| untitled | text/markdown | 25 B | 957,677 | c://d65a15f1…206fe2fb | d179372f…119de1a7 |
| untitled | text/markdown | 73 B | 957,677 | c://421066c3…35a3b03e | ca46d6dd…8ac82376 |
| untitled | text/markdown | 155 B | 957,677 | c://fa953a76…fcd31688 | d831f276…31744850 |
| file.txt | text/plain | 4,697 B | 957,677 | c://205923de…bf9c809b | ab4a172f…cc1db818 |
| untitled | text/markdown | 42 B | 957,677 | c://8d510031…3fb2e989 | 4e40e381…38e7a2ae |
| untitled | text/markdown | 36 B | 957,677 | c://2f2ab22d…69058752 | e149d3ed…fc9855ef |
| untitled | text/markdown | 17 B | 957,677 | c://dbc02243…c3b5e836 | cb00ccc1…ccc8badc |
| untitled | text/markdown | 4 B | 957,677 | c://2a98b1de…4900cd42 | 8d8e68b8…54de14d1 |
| untitled | text/markdown | 19 B | 957,677 | c://8285f252…4d2056f7 | c9c900e4…5a64983e |
| untitled | text/markdown | 16 B | 957,677 | c://c92435de…b9cb4c6f | f19ee392…ca5e14c8 |
| untitled | text/markdown | 28 B | 957,677 | c://3a3dc4a8…da35ea0c | 95cea294…702978f9 |
| untitled | text/markdown | 176 B | 957,677 | c://fa091eca…db434219 | 4c2eade1…e3192274 |
| untitled | text/markdown | 68 B | 957,677 | c://9a6f1b1e…5c26c5ea | 0c54e2ea…69757460 |
| untitled | text/markdown | 10 B | 957,677 | c://6c959236…23a307a8 | b25cb84d…9198eacb |
| untitled | text/markdown | 18 B | 957,677 | c://cb938bf2…f69314bd | f91bb920…7b8e9495 |
| untitled | text/markdown | 56 B | 957,677 | c://9b53e8aa…ace50d5c | f6954479…7a980793 |
| untitled | text/markdown | 13 B | 957,677 | c://257653f6…7fc2d841 | 6770bb39…6831c155 |
| file.txt | text/plain | 4,575 B | 957,677 | c://4284860e…ed8e7b37 | 9dad35e0…6877f0a5 |
| untitled | text/markdown | 42 B | 957,677 | c://1421a12f…d84d34ee | daaa6d5b…6f71d8e2 |
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 .