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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 | 238 B | 957,651 | c://dc7dfed5…1440c9a6 | 6cabede5…734e729a |
| file.txt | text/plain | 17,161 B | 957,651 | c://3986ea6d…338f947f | 45111fe2…47a7c788 |
| untitled | text/markdown | 59 B | 957,651 | c://123f0aed…62f19684 | 4cd5da48…85fc2f75 |
| untitled | text/markdown | 522 B | 957,651 | c://872e7d03…69fcfe9d | 4227bf28…df264e54 |
| untitled | text/markdown | 53 B | 957,651 | c://b8aa3e14…63d342e0 | 7ff81eeb…eb899cab |
| file.txt | text/plain | 1,676 B | 957,651 | c://906afabb…c28dd9a4 | 842abd7c…a2a19f01 |
| untitled | text/markdown | 416 B | 957,651 | c://63cdee05…2bc655c4 | b18015ef…37464aca |
| untitled | text/markdown | 517 B | 957,651 | c://e5cd53ac…ea8083ac | 2beca7d9…4784eb77 |
| file.jpeg | image/jpeg | 40,671 B | 957,651 | c://7ba361df…3eea1feb | 5a2d13e1…68936cc9 |
| untitled | text/markdown | 124 B | 957,651 | c://4b14ad5e…56d4e4ad | 4824004f…ab5de348 |
| untitled | text/markdown | 99 B | 957,650 | c://e6f049b1…7358ff93 | 651dc553…5730867d |
| untitled | text/markdown | 255 B | 957,650 | c://abdd571e…440105cf | 404af7a0…cf48cdb6 |
| untitled | text/markdown | 255 B | 957,650 | c://abdd571e…440105cf | 997943ab…54f23b9a |
| untitled | text/markdown | 61 B | 957,650 | c://e947d18d…93118434 | f48a8bca…97f30628 |
| untitled | text/markdown | 77 B | 957,650 | c://48f7c1da…c16c1804 | 2f62e04c…9079db07 |
| untitled | text/markdown | 260 B | 957,650 | c://ad39876f…5c9aaaea | 6cd2647c…706380f0 |
| untitled | text/markdown | 44 B | 957,650 | c://68947e6d…95844170 | ea54bba1…9efadcc5 |
| untitled | text/markdown | 151 B | 957,650 | c://5aba198d…46cb0a37 | 70f74629…1d366a18 |
| untitled | text/markdown | 169 B | 957,650 | c://94c71b2f…c725f12e | 25227919…75592b0b |
| untitled | text/markdown | 94 B | 957,607 | c://d6186a1d…ce13d822 | 7422e650…5d90d49d |
| file.txt | text/plain | 104 B | 957,607 | c://30863ed3…dd3cf2e9 | 5eb6fbb4…94084e95 |
| untitled | text/markdown | 33 B | 957,607 | c://36ec20f2…415891cd | d87c9264…0f591975 |
| untitled | text/markdown | 333 B | 957,649 | c://0dbd8235…cd4492a2 | 32083aa2…2c05f99d |
| untitled | text/markdown | 95 B | 957,649 | c://3b563d4f…7b8ccda8 | 82b06817…584c6e3c |
| untitled | text/markdown | 3 B | 957,649 | c://cb3f91d5…c9ed8d3b | 638a2e45…99246977 |
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 .