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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 | 300 B | 955,414 | c://fda04f7c…d9052bca | 4d5a700c…dc2df7d2 |
| untitled | text/markdown | 50 B | 955,414 | c://b3e8c52c…a2f46778 | 8ef26099…675c9a22 |
| file.png | image/png | 98,655 B | 955,414 | c://530fb800…c8129688 | 8aac23e9…8a58705c |
| untitled | text/markdown | 134 B | 955,414 | c://c415c482…1e6434a8 | b1009e48…77a5e60a |
| file.txt | text/plain | 369 B | 955,414 | c://d9050781…93ed645b | 77b2144c…31d6dc32 |
| untitled | text/markdown | 106 B | 955,414 | c://33e74c11…30a0c181 | ff38b1d9…00a81843 |
| untitled | text/markdown | 79 B | 955,414 | c://a4d3e257…14731cbc | e63b983d…db1be293 |
| untitled | text/markdown | 11 B | 955,413 | c://62bff93e…e6e5c7eb | d0a63e41…89904584 |
| untitled | text/markdown | 48 B | 955,413 | c://202a48c1…0e3e99c9 | 36df8982…b28434cf |
| untitled | text/markdown | 51 B | 955,413 | c://2914659f…16377a4e | d5e998aa…ed6854ed |
| file.txt | text/plain | 71 B | 955,413 | c://8aba538c…14b41be6 | 2ef368ac…c06a6023 |
| untitled | text/markdown | 67 B | 955,413 | c://dc10d68f…6928c927 | a77f52f9…659c24a0 |
| file.txt | text/plain | 1,639 B | 955,413 | c://39bd8556…ea954ba9 | 618c05ca…8a1d1511 |
| file.txt | text/plain | 71 B | 955,413 | c://8aba538c…14b41be6 | 666473f9…25f6f17b |
| untitled | text/markdown | 67 B | 955,413 | c://dc10d68f…6928c927 | e6349d0e…42740aee |
| untitled | text/markdown | 240 B | 955,413 | c://13d8c2bd…50767ae6 | f12d3617…a59a7351 |
| untitled | text/markdown | 18 B | 955,413 | c://26289ccf…95df7fde | 27ae42ff…f95fc144 |
| file.txt | text/plain | 59 B | 955,413 | c://2ed2bc23…e971ebe9 | 75994ec6…f08974c8 |
| untitled | text/markdown | 51 B | 955,413 | c://2914659f…16377a4e | 485412bb…02dc080e |
| file.txt | text/plain | 369 B | 955,413 | c://0c261030…1bc371c8 | 1b9aa3b0…02a9a2ce |
| untitled | text/markdown | 48 B | 955,413 | c://202a48c1…0e3e99c9 | dfdc39a0…1f0224a3 |
| untitled | text/markdown | 11 B | 955,413 | c://62bff93e…e6e5c7eb | ccdc0131…9c667927 |
| file.png | image/png | 450,334 B | 955,412 | c://d300790f…d35cab7f | e87b6061…77166fa8 |
| untitled | text/markdown | 42 B | 955,412 | c://ee3cd2e5…6ef79b6d | 81f7b73e…33f46957 |
| file.txt | text/plain | 369 B | 955,412 | c://d9050781…93ed645b | f9c3f79b…36fbfae1 |
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 .