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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 | 270 B | 956,843 | c://4b6c0150…c71da230 | c8ec302c…fbfa9ca5 |
| file.txt | text/plain | 61 B | 956,843 | c://9c1e68cf…8283c6d7 | df2f22b2…b00d2a91 |
| untitled | text/markdown | 79 B | 956,842 | c://89b9d3db…7369d6dd | 1841c6de…8a73cd3e |
| untitled | text/markdown | 57 B | 956,842 | c://1b402c1f…f77af18c | 9ab75583…f1c902e0 |
| untitled | text/markdown | 23 B | 956,842 | c://7730161d…38e2a88c | e7fb06fb…0fee7309 |
| file.txt | text/plain | 61 B | 956,842 | c://9c1e68cf…8283c6d7 | a67c2d56…cc46b578 |
| No B:// file could be read from this transaction. | 956,842 | 44f45aee…90562d3a | |||
| file.png | image/png | 704,914 B | 956,842 | c://cff52e54…3d2d47a1 | 65573a40…ed32d2c8 |
| untitled | text/markdown | 23 B | 956,842 | c://7730161d…38e2a88c | 03fefa73…ec39e8e5 |
| file.txt | text/plain | 270 B | 956,842 | c://4b6c0150…c71da230 | 5937c8ce…6ba30008 |
| untitled | text/markdown | 57 B | 956,842 | c://1b402c1f…f77af18c | cdf73081…e6505afa |
| untitled | text/markdown | 98 B | 956,842 | c://aaf95d1f…74963718 | d518cdb3…3d51c61f |
| file.txt | text/plain | 8,931 B | 956,842 | c://45cd90ff…12515fe6 | fcea31eb…57437edb |
| untitled | text/markdown | 79 B | 956,842 | c://89b9d3db…7369d6dd | 4afb588b…0179d984 |
| untitled | text/markdown | 30 B | 956,841 | c://278d8a65…ef3bdaac | f7346fa1…6a0e9da2 |
| file.txt | text/plain | 28 B | 956,841 | c://862a88c4…7cb09991 | bad44d4c…4702ae8c |
| untitled | text/markdown | 58 B | 956,841 | c://5c1e595d…826a3276 | af8f5705…61db20f3 |
| untitled | text/markdown | 4 B | 956,841 | c://5a9440c6…ac860e3b | 642f2ec6…103d44c4 |
| untitled | text/markdown | 110 B | 956,841 | c://f06e28b6…69c606c2 | bd427b6b…b1b283af |
| untitled | text/markdown | 44 B | 956,841 | c://a99a5955…382f8e43 | 98849335…fb81acd2 |
| untitled | text/markdown | 6 B | 956,841 | c://cd36e2f4…d80ba324 | 0e77ed35…e3d57309 |
| untitled | text/markdown | 6 B | 956,841 | c://cd36e2f4…d80ba324 | fe227cef…3081904e |
| untitled | text/markdown | 8 B | 956,841 | c://697cbd17…b19602ca | 21112d33…6d5e258b |
| untitled | text/markdown | 6 B | 956,841 | c://cd36e2f4…d80ba324 | 6a5f4a69…82b3f083 |
| untitled | text/markdown | 6 B | 956,841 | c://cd36e2f4…d80ba324 | cbcd8a6c…74246b8a |
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 .