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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.jpeg | image/jpeg | 30,927 B | 957,525 | c://6d9b9cc7…63ab2a3e | a61ec6f7…2b2e4696 |
| untitled | text/markdown | 153 B | 957,525 | c://d5fa4ac2…3b27f79a | f6985000…4a62c455 |
| untitled | text/markdown | 3 B | 957,522 | c://9279c116…da95f6cf | 091dc6f4…aa52b840 |
| untitled | text/markdown | 18 B | 957,522 | c://269614e4…bf4523e8 | 2a827cb1…3764b3fd |
| file.txt | text/plain | 151 B | 957,525 | c://859bc1eb…90a2e142 | 962d43f5…04b11e68 |
| untitled | text/markdown | 58 B | 957,525 | c://bf36f56b…9bb1203f | aba69a49…76b32f61 |
| untitled | text/markdown | 3 B | 957,522 | c://9279c116…da95f6cf | 240e6051…3682b7ef |
| untitled | text/markdown | 3 B | 957,522 | c://9279c116…da95f6cf | 5e1d594a…54f84843 |
| untitled | text/markdown | 3 B | 957,522 | c://9279c116…da95f6cf | c84d56e9…997e0081 |
| untitled | text/markdown | 6 B | 957,522 | c://cd36e2f4…d80ba324 | 9227410d…baeba651 |
| untitled | text/markdown | 20 B | 957,522 | c://d26a2b12…43f9bb80 | 91d74600…92b761e4 |
| untitled | text/markdown | 92 B | 957,522 | c://27869af3…d681b33b | d434d512…231f0a5a |
| untitled | text/markdown | 641 B | 957,522 | c://c760279c…070d8d21 | 859716c7…280a639e |
| untitled | text/markdown | 744 B | 957,513 | c://f09b6f78…f5bf8b69 | 6da70b4f…557a0d7c |
| file.txt | text/plain | 307 B | 957,513 | c://3656b27d…254c936e | 04d74256…5fc1129a |
| untitled | text/markdown | 42 B | 957,513 | c://94cc1fc8…1f7fa181 | ec40f52c…41daddae |
| file.txt | text/plain | 7,645 B | 957,513 | c://7fd8c865…eedca72d | 4ccab3b0…0d86db88 |
| untitled | text/markdown | 21 B | 957,513 | c://13ba7b56…24fe556b | b6ed47de…fbb83e68 |
| untitled | text/markdown | 37 B | 957,513 | c://ae52f6ae…637de7e6 | aa0f2582…f9518097 |
| untitled | text/markdown | 173 B | 957,513 | c://70285a39…548c827b | 55a4771b…f8aa7455 |
| No B:// file could be read from this transaction. | 957,520 | 9d9517e9…67717761 | |||
| untitled | application/json | 203 B | 957,520 | c://883c98b6…a0f4c831 | a704b3ed…cda75364 |
| file.txt | text/plain | 59 B | 957,520 | c://a843b5d3…d0ffdf48 | 30b6741e…ded44d3c |
| file.txt | text/plain | 212 B | 957,520 | c://c111a0ff…e00211ce | 7e9782f2…6e5042b7 |
| file.txt | text/plain | 1,613 B | 957,520 | c://6c6d5c87…b7f9c4d1 | dcdf04a7…031faf24 |
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 .