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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 | 56 B | 956,853 | c://8b420000…e0d836c2 | 7dae1b63…4415402a |
| untitled | text/markdown | 108 B | 956,851 | c://6b39c661…e6ef7246 | 3cdf6438…57e211ef |
| file.txt | text/plain | 1,424 B | 956,851 | c://ca8aec0b…bdb2f615 | 03d5e061…31a29044 |
| untitled | text/markdown | 43 B | 956,851 | c://e0d42709…e6117aa6 | 77dc4012…953e779e |
| file.txt | text/plain | 1,373 B | 956,851 | c://9e6142a3…36d790b5 | 880ac7e9…e23e71ce |
| untitled | text/markdown | 43 B | 956,851 | c://90747c73…2ab14d83 | 01728350…01766a94 |
| untitled | text/markdown | 22 B | 956,853 | c://eea86c95…4cb5b58d | 883b5006…63415c22 |
| file.txt | text/plain | 1,373 B | 956,851 | c://fd28eb53…6c3bcfca | fa45d7a9…60fcd679 |
| untitled | text/markdown | 60 B | 956,851 | c://d97bfd74…7b3ec2ee | 8a6291dd…6925c938 |
| untitled | text/markdown | 276 B | 956,851 | c://35b6d174…ed339a7a | 03313e46…0d8531dc |
| file.png | image/png | 496,713 B | 956,852 | c://4e1ff165…b87fdfee | 425d1446…e6d50e89 |
| untitled | text/markdown | 17 B | 956,852 | c://95c25ebd…b3beb0e3 | 1cd5543f…1271065e |
| untitled | text/markdown | 40 B | 956,851 | c://62a1ac4b…42d15093 | a56f31b8…7462fb50 |
| untitled | text/markdown | 6 B | 956,851 | c://cd36e2f4…d80ba324 | c805fe1c…9aeaa906 |
| file.txt | text/plain | 91 B | 956,852 | c://f9310f2b…125e8d87 | 994d4d05…1598a7fb |
| No B:// file could be read from this transaction. | 956,852 | 8b8bf1a2…a7657740 | |||
| untitled | text/markdown | 38 B | 956,851 | c://30c9809e…d04c62a3 | 275ffd33…9b4e13c8 |
| untitled | text/markdown | 245 B | 956,851 | c://5de6b208…e3975f77 | 745290ce…ef23ca97 |
| untitled | text/markdown | 17 B | 956,851 | c://a1455f3f…927dc340 | 064e74d1…b7397a3d |
| untitled | text/markdown | 6 B | 956,852 | c://cd36e2f4…d80ba324 | 7779cda7…0b04c32a |
| file.txt | text/plain | 59 B | 956,852 | c://ad28b990…d57c4f63 | e8af2f64…e1588f85 |
| No B:// file could be read from this transaction. | 956,852 | 64bcfd4c…19ef527f | |||
| untitled | text/markdown | 16 B | 956,851 | c://8fe17c67…63b64e75 | c13a7096…b32e0239 |
| untitled | text/markdown | 36 B | 956,852 | c://60af1b36…9bc78de1 | 939c4a3d…c68f3cd0 |
| untitled | text/markdown | 6 B | 956,852 | c://cd36e2f4…d80ba324 | 5766a1d0…9703dd72 |
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 .