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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 | 5,904 B | 956,973 | c://843471a8…562f2075 | df7d43b3…364994b7 |
| file.txt | text/plain | 20,347 B | 956,973 | c://6132f752…d21e774a | 8d23ac36…8152421d |
| file.txt | text/plain | 369 B | 956,973 | c://3046a635…8d23dd02 | cf31b0b5…767363dc |
| untitled | text/markdown | 32 B | 956,973 | c://bbd4ae78…a576e2fd | 7626587d…78f6dbd2 |
| untitled | text/markdown | 211 B | 956,973 | c://2c2e4ba9…fcb0744f | 008ef31a…6cd58d79 |
| untitled | text/markdown | 78 B | 956,973 | c://cc3e9c7d…1bf677d6 | 46041626…da29746e |
| untitled | text/markdown | 60 B | 956,973 | c://fc2b7357…2302f15a | 5036591d…ae60dff0 |
| untitled | text/markdown | 117 B | 956,973 | c://bf169055…ec404415 | b597ecf2…5d2f8e86 |
| file.txt | text/plain | 20,347 B | 956,973 | c://6132f752…d21e774a | 7d212938…d4982223 |
| untitled | text/markdown | 60 B | 956,973 | c://fc2b7357…2302f15a | 72ac1f8d…424cc63f |
| file.txt | text/plain | 5,904 B | 956,973 | c://843471a8…562f2075 | d885cfaa…99608b56 |
| untitled | text/markdown | 117 B | 956,973 | c://bf169055…ec404415 | 79cc808e…75ba86aa |
| file.txt | text/plain | 369 B | 956,973 | c://3046a635…8d23dd02 | 16ff5b82…35a4321b |
| untitled | text/markdown | 78 B | 956,973 | c://cc3e9c7d…1bf677d6 | 23cf9f56…16b0c763 |
| untitled | text/markdown | 32 B | 956,973 | c://bbd4ae78…a576e2fd | 8b95ee34…f4f53134 |
| untitled | text/markdown | 211 B | 956,973 | c://2c2e4ba9…fcb0744f | 22b3b296…fad3ed23 |
| untitled | text/markdown | 211 B | 956,972 | c://2c2e4ba9…fcb0744f | f9f554c2…f856d1cf |
| file.txt | text/plain | 7,186 B | 956,972 | c://db517cf5…2d953a83 | 696d7def…63e0983f |
| untitled | text/markdown | 32 B | 956,972 | c://bbd4ae78…a576e2fd | 6438b172…59be271b |
| untitled | application/json | 5,902 B | 956,972 | c://b70d8ed1…78d1a852 | 31457ea1…affe95e3 |
| file.txt | text/plain | 2,177 B | 956,970 | c://22e4f4c0…895d3345 | 8b08294f…3de981f6 |
| file.txt | text/plain | 369 B | 956,970 | c://bdf9e1e6…11ba2d65 | 4f2504cc…3c03b7ce |
| untitled | text/markdown | 132 B | 956,969 | c://0914b12c…0a29f8fc | 571e120d…c138b977 |
| untitled | text/markdown | 48 B | 956,969 | c://1089d0a1…5d73b758 | 1675bd2c…67e8c42c |
| untitled | text/markdown | 31 B | 956,969 | c://5600fb5e…6c8f8270 | 2d20ae67…665c7161 |
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 .