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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 | 1,696 B | 957,037 | c://980ecd95…baf84fb0 | 02e8a376…577e6c5e |
| untitled | text/markdown | 94 B | 957,037 | c://fe597d10…640997fd | 209866fa…9be97609 |
| file.txt | text/plain | 164 B | 957,037 | c://29662d4b…01735438 | fab4bdfa…3ccee989 |
| untitled | text/markdown | 51 B | 957,037 | c://59c4bf93…37a4eafa | f02afa1f…9b19f7a3 |
| untitled | application/json | 203 B | 957,037 | c://f9aa5b45…bf80c2f0 | d5e48135…477899db |
| file.txt | text/plain | 158 B | 957,037 | c://e318eeff…44b96bce | e336e20b…e65d8256 |
| untitled | text/markdown | 51 B | 957,037 | c://4149d1a3…23c06e0e | edd48ba8…d6d662f1 |
| file.txt | text/plain | 13,578 B | 957,037 | c://c884aa15…9b6c27b8 | 9d143d59…0b216fff |
| file.png | image/png | 99,745 B | 957,037 | c://2ad73414…0a72406c | 5c628d7f…1a18d03a |
| untitled | text/markdown | 131 B | 957,037 | c://c108897b…95d2e1af | dd98edb0…00f0664a |
| untitled | text/markdown | 37 B | 957,037 | c://95ddd99b…78cec530 | 757d5999…f0ba69bc |
| file.txt | text/plain | 335 B | 957,037 | c://5b7db274…cf5f4d1a | 58ea7191…2dd897b6 |
| file.png | image/png | 122,965 B | 957,037 | c://aca7d3ab…c52c1cb8 | a70022cd…ee0ff85e |
| untitled | text/markdown | 98 B | 957,037 | c://03ec6ceb…ebd607f0 | 295e3be1…f02bc83a |
| file.txt | text/plain | 59 B | 957,037 | c://057aba7b…57105214 | 5d4963ff…ba42d9ea |
| untitled | text/markdown | 51 B | 957,037 | c://c578e2b8…a6926601 | e941efb4…34b255de |
| untitled | text/markdown | 6 B | 957,034 | c://cd36e2f4…d80ba324 | aeec5bdc…81d86479 |
| untitled | text/markdown | 6 B | 957,034 | c://cd36e2f4…d80ba324 | ef1c7686…4d24c1e9 |
| untitled | text/markdown | 6 B | 957,034 | c://cd36e2f4…d80ba324 | 73372ae0…6adb098b |
| file.txt | text/plain | 1,266 B | 957,034 | c://d668691d…390bfa87 | 00d1a381…39702d45 |
| untitled | text/markdown | 32 B | 957,034 | c://e2919393…8d766bf8 | 057fe9c7…69a1e439 |
| untitled | text/markdown | 6 B | 957,034 | c://cd36e2f4…d80ba324 | b8724559…e1ce0266 |
| untitled | text/markdown | 6 B | 957,034 | c://cd36e2f4…d80ba324 | d503cc2f…36bb8c49 |
| file.txt | text/plain | 296 B | 957,034 | c://1fc9e4f9…6d6778dd | 61bede6a…aeed0df8 |
| untitled | text/markdown | 84 B | 957,034 | c://6157deee…7e9dccfa | 7aaf652a…801f0460 |
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 .