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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 | 105 B | 956,140 | c://4b75bb90…64863d6f | 508c0731…18ffe540 |
| No B:// file could be read from this transaction. | 956,140 | f0c63fb4…a1404f18 | |||
| file.txt | text/plain | 369 B | 956,139 | c://f0eb458c…6370862d | 30f94ddb…efd45b01 |
| untitled | text/markdown | 48 B | 956,139 | c://8362c1cb…02fafab2 | cc52f7ce…d56b9eaf |
| untitled | text/markdown | 96 B | 956,138 | c://5300cd88…d600fe53 | 61d70146…f9f376e3 |
| untitled | text/markdown | 6 B | 956,138 | c://cd36e2f4…d80ba324 | 6aa638ad…da016fe6 |
| No B:// file could be read from this transaction. | 956,138 | 965adc7f…166e2ee1 | |||
| untitled | text/markdown | 3 B | 956,138 | c://9279c116…da95f6cf | 2628a8b3…ee014798 |
| file.png | image/png | 159,638 B | 956,138 | c://6bf8d109…644714fb | 39fb1641…8c91ea18 |
| file.txt | text/plain | 1,187 B | 956,139 | c://7a440e97…25abfb75 | f3f3bc60…7aaedf77 |
| file.txt | text/plain | 369 B | 956,139 | c://06532745…87712247 | 8cb8e1ff…2d7c8249 |
| file.txt | text/plain | 76 B | 956,139 | c://b6d9e8cd…7f23552f | b376e35c…5d64f21b |
| No B:// file could be read from this transaction. | 956,138 | 0bf8d834…aa20b509 | |||
| untitled | text/markdown | 96 B | 956,138 | c://ff3d5081…e0d37858 | 67ad3c5d…ba3d5eec |
| file.txt | text/plain | 369 B | 956,139 | c://27337c29…09b06e5f | 0fb1154d…8ad2d1d5 |
| untitled | text/markdown | 3 B | 956,139 | c://9279c116…da95f6cf | b3eea1a9…c5af6256 |
| untitled | text/markdown | 48 B | 956,139 | c://e3c2331c…21f6f164 | b2dc5f72…e59a5cf5 |
| untitled | text/markdown | 3 B | 956,139 | c://9279c116…da95f6cf | c4db3f33…f76e3f08 |
| untitled | text/markdown | 27 B | 956,138 | c://89c87e85…6d7ebe5a | 623160c5…dba8c251 |
| untitled | text/markdown | 3 B | 956,139 | c://9279c116…da95f6cf | 8b2d829a…f57b84a6 |
| untitled | text/markdown | 96 B | 956,139 | c://013b08fb…2cb90522 | 8895a1c9…46cedd55 |
| untitled | text/markdown | 72 B | 956,138 | c://79cab24d…4ac77c19 | 211fbd86…43516afb |
| untitled | text/markdown | 1 B | 956,138 | c://cdb4ee2a…2e1839a8 | 3ced5a74…3be05c34 |
| file.txt | text/plain | 1,696 B | 956,138 | c://d4a76aa8…3957fc03 | fc38ebb1…0b584591 |
| untitled | text/markdown | 134 B | 956,138 | c://1e3e5e59…eeb67747 | 69c56a85…30c1da8d |
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 .