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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 | 4 B | 956,861 | c://1cf1efe0…8d6ffc88 | ff147ce4…2a26a06a |
| file.txt | text/plain | 960 B | 956,861 | c://cfe6f452…dd143a84 | 582dc735…23cef507 |
| untitled | text/markdown | 44 B | 956,861 | c://a329c797…384d063e | a74d690c…79519154 |
| untitled | text/markdown | 89 B | 956,860 | c://d712d12c…2af67762 | bbe15fa8…782a2ef1 |
| untitled | text/markdown | 17 B | 956,861 | c://0d0c66e7…5865b3ef | 98f5614f…32579456 |
| file.jpeg | image/jpeg | 44,414 B | 956,858 | c://39b1e3ba…34749891 | 086680b5…c4768334 |
| untitled | text/markdown | 122 B | 956,858 | c://4a63e1a4…b9b38b36 | 5608d89e…244f5782 |
| untitled | text/markdown | 6 B | 956,858 | c://cd36e2f4…d80ba324 | 8512ac96…11d2f476 |
| untitled | text/markdown | 49 B | 956,858 | c://e4e1e85e…7b7bd89e | d3ac6156…6f2c023a |
| untitled | text/markdown | 188 B | 956,858 | c://2cbfa36c…e2f82a82 | 53b1c483…0c3e34ee |
| untitled | text/markdown | 6 B | 956,858 | c://cd36e2f4…d80ba324 | 3217ce36…78f981e9 |
| untitled | text/markdown | 65 B | 956,858 | c://f56d33b7…04e0825e | 5bae115f…9b571851 |
| untitled | text/markdown | 51 B | 956,858 | c://cdc53274…379375b2 | 6fbb471c…8ff708b0 |
| untitled | text/markdown | 6 B | 956,858 | c://cd36e2f4…d80ba324 | 5dc97b87…6c3f2986 |
| untitled | text/markdown | 266 B | 956,858 | c://ef2cb036…5ed6458d | d0d31e05…7cdb2306 |
| untitled | text/markdown | 6 B | 956,858 | c://cd36e2f4…d80ba324 | 945844ce…2b8f0650 |
| untitled | text/markdown | 148 B | 956,858 | c://2e7eadce…39dfabfe | 1cf144c8…f86d9bb1 |
| untitled | text/markdown | 6 B | 956,858 | c://cd36e2f4…d80ba324 | 1483ee3c…ca23d168 |
| untitled | text/markdown | 6 B | 956,858 | c://cd36e2f4…d80ba324 | 8474bb3b…ba43a2c3 |
| untitled | text/markdown | 3 B | 956,858 | c://7568d29c…c538f0a6 | 9f61a0d0…8bbc83e7 |
| untitled | text/markdown | 41 B | 956,858 | c://fdf0b6da…e0e7ee56 | 036221e4…853ca46d |
| untitled | text/markdown | 6 B | 956,858 | c://cd36e2f4…d80ba324 | a85d21c0…87a0553f |
| file.jpeg | image/jpeg | 57,578 B | 956,858 | c://8b4ef173…64cd2443 | 1ea1bd7e…8d1faa48 |
| untitled | text/markdown | 148 B | 956,858 | c://2e7eadce…39dfabfe | 22d4796c…7cb9ae9d |
| untitled | text/markdown | 6 B | 956,858 | c://cd36e2f4…d80ba324 | 4bd6f0cf…df80456d |
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 .