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■ ■  Safelogin  Strong crypto, ideallypost- quantum  Hide filemetadata  Free of SSLCas  Free ofDNS 

■ ■  Safelogin  Strong crypto, ideallypost- quantum  Hide filemetadata  Free of SSLCas  Free ofDNS ● Selfhostable ● Selectively sharefiles ● Hidecontacts ● Pseudonymous 

■ ■  Safelogin  Strong crypto, ideallypost- quantum  Hide filemetadata  Free of SSLCas  Free ofDNS ● Selfhostable ● Selectively sharefiles ● Hidecontacts ● Pseudonymous ● Webinterface ● Log in from anydevice ● Filesyncing ● Publishfiles ● Resilient ● As convenient as Dropbox,Facebook 

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■ ■ ● Global file system ● /username/yourfiles ● Tree of symmetric keys (TweetNaCl) with cryptographic links between (Cryptree) ● Location + Key = cryptographic access token or capability (CAP) ● Explicitly don't use convergent encryption! 

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■ ■ Chunk raw file 

■ ■ Chunk raw file Encrypt chunk 

■ ■ Chunk raw file Encrypt chunk Split 

■ ■ Chunk raw file Encrypt chunk Split Upload 

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■ ■ ~1 second Only ever stored in RAM, never written to disk or transmitted 

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■ ■ ● Brute force is practically impossible with a good password ● Random 14 character alpha-numeric password has ~ 2^84 ~ 10^25 possibilities ● A GPU can calculate ~ 1M scrypt hashes/s (measured by litecoin users) ● One GPU cracking a single user’s login would take 10^19 seconds or ~ 300 billion years ● 300 million GPUs would take 1000 years ● GPU purchase cost = 300 billion USD 

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■ ■ ● Web-interface – done ● Use actual IPNS – to do ● Tor integration – to do ● Fuse client – done ● Security audit – to do ● Granting write access – not in UI yet ● Private keystore of friends (TOFU) – done 

■ ■ ● Sign up to hear when our alpha is ready (soon): https://peergos.org ● Read our book: https://peergos.github.io/book ● Try our demo at https://demo.peergos.net ● Contribute https://github.com/peergos/peergos ● Currently we are a team of 4 contributors 

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