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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 |
|---|---|---|---|---|---|
| untitled | application/json | 203 B | 956,760 | c://25ade471…7dfb6a89 | 9032c530…dca2f266 |
| untitled | text/markdown | 19 B | 956,757 | c://d042ee9e…3efdfd7c | 304ae8d1…753f5db0 |
| untitled | text/markdown | 6 B | 956,757 | c://cd36e2f4…d80ba324 | fd2cbd13…8d49f85e |
| file.png | image/png | 404,359 B | 956,757 | c://b4ace4d8…85d593e9 | ff874495…78be7ec1 |
| untitled | text/markdown | 19 B | 956,757 | c://d042ee9e…3efdfd7c | 66ba66de…a7fdb41d |
| file.txt | text/plain | 109 B | 956,733 | c://ef26237d…d8b18e14 | 499bc892…213c7820 |
| No B:// file could be read from this transaction. | 956,733 | 039667cc…a0d2d568 | |||
| file.txt | text/plain | 198 B | 956,733 | c://57cab0ac…29fc2991 | e65aebba…6c828b15 |
| untitled | text/markdown | 31 B | 956,733 | c://a91e9747…e0421fe0 | bad53993…bd9d54b5 |
| No B:// file could be read from this transaction. | 956,733 | 1124a506…f1df01b4 | |||
| untitled | text/markdown | 16 B | 956,751 | c://2020e3fe…6d3cd770 | 3e161559…a33acb01 |
| untitled | application/json | 6,461 B | 956,749 | c://07023cf5…7318de0c | 724ffa39…9c4a35c7 |
| untitled | text/markdown | 71 B | 956,747 | c://302b28d7…a044ef2a | fe2c405d…f848dfa7 |
| untitled | application/json | 203 B | 956,747 | c://c7eb4774…8f8f3843 | 8f62eedf…1f8b924b |
| file.txt | text/plain | 234 B | 956,747 | c://dd58560a…888c8762 | 7794011a…0ffff9c4 |
| untitled | text/markdown | 71 B | 956,747 | c://302b28d7…a044ef2a | 48f2dff8…f58b1c6d |
| untitled | text/markdown | 32 B | 956,745 | c://39152417…55d42f7c | 315cb818…7047052f |
| file.txt | text/plain | 369 B | 956,745 | c://f3a73798…8bc308bb | 71541857…e6799fba |
| file.jpeg | image/jpeg | 282,414 B | 956,745 | c://7d420b71…b734c5d2 | 2a35f98f…f63c9ee5 |
| file.txt | text/plain | 183 B | 956,745 | c://798683f2…d5930da0 | ec924e00…48d58a5d |
| file.jpeg | image/jpeg | 282,414 B | 956,745 | c://7d420b71…b734c5d2 | 5bde0fb3…28723abf |
| file.txt | text/plain | 1,453 B | 956,745 | c://ca3131a4…e4ddcd92 | ffd33969…d3a84c1e |
| untitled | text/markdown | 150 B | 956,745 | c://d73c3008…6a151c83 | 314fc030…15734e95 |
| untitled | text/markdown | 37 B | 956,745 | c://8952a4cb…8021f56c | f2a42274…159e1717 |
| untitled | text/markdown | 48 B | 956,745 | c://5daa5842…7f71ba8f | be2040ae…4f9d97d3 |
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 .