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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 | 369 B | 955,953 | c://e043b2a1…b1c2f0a1 | 6e739238…a659d4e1 |
| untitled | text/markdown | 6 B | 955,953 | c://cd36e2f4…d80ba324 | 4a44ac67…643e235a |
| untitled | text/markdown | 130 B | 955,953 | c://7cb1dfc5…15f75f0d | 5fbca8b0…63794d87 |
| untitled | text/markdown | 6 B | 955,953 | c://cd36e2f4…d80ba324 | b0b46690…82440e82 |
| untitled | text/markdown | 45 B | 955,953 | c://f8deb03f…89045c24 | 70623300…9bbcc56e |
| untitled | text/markdown | 81 B | 955,953 | c://93e59fe6…30480603 | 2636c3ce…493761bd |
| untitled | text/markdown | 11 B | 955,953 | c://e9991508…156ec615 | 3f738789…2cbe9b9a |
| untitled | application/json | 203 B | 955,953 | c://30c386b5…fde1e441 | 10a4ab93…a5830326 |
| untitled | text/markdown | 6 B | 955,952 | c://cd36e2f4…d80ba324 | 4bd0c49f…f902c7dc |
| untitled | text/markdown | 394 B | 955,952 | c://f053814e…ef06cf21 | 80a13ce2…a9815acc |
| file.txt | text/plain | 33,056 B | 955,952 | c://3e26193e…5feca511 | bde5aa6f…a1ad6a15 |
| untitled | text/markdown | 62 B | 955,952 | c://ff9815c4…269a365a | b9c6a43b…814e6199 |
| file.txt | text/plain | 447 B | 955,952 | c://d59ddb20…105d2627 | 8099787a…5417d86f |
| untitled | text/markdown | 60 B | 955,952 | c://ee99b829…487d67e2 | 49ac32e6…108ad11c |
| file.txt | text/plain | 13,917 B | 955,952 | c://c910ac14…b53efe91 | 817d8635…f595f15f |
| untitled | text/markdown | 164 B | 955,952 | c://3c97e4e8…0cf58e40 | f2e707d9…7072c4b3 |
| untitled | text/markdown | 27 B | 955,952 | c://8dd36761…dc67c630 | 2825db11…d1cc1a5f |
| file.txt | text/plain | 15,437 B | 955,951 | c://9f4c6d56…763708f3 | 350a9dda…4dbe2c29 |
| file.txt | text/plain | 496 B | 955,951 | c://07326509…be946e30 | 07313e89…01d17b8a |
| untitled | text/markdown | 100 B | 955,951 | c://c3705c15…042264b1 | b3b91620…c54b0f8d |
| untitled | text/markdown | 84 B | 955,951 | c://2c952742…75e2ec4f | 4024e0f7…40ee7bb9 |
| untitled | text/markdown | 383 B | 955,951 | c://5c8027e3…e92a2f97 | dfe8b8a0…5daee35e |
| untitled | text/markdown | 32 B | 955,951 | c://2e8476be…bf408b5a | 79f54f4a…d6684bed |
| untitled | text/markdown | 6 B | 955,951 | c://cd36e2f4…d80ba324 | 5ccdfebd…990a00ee |
| untitled | text/markdown | 6 B | 955,951 | c://cd36e2f4…d80ba324 | bdfbef5e…6f1d2121 |
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 .