Peatio - An open-source crypto currency exchange

On cryptocurrency exchange proof of solvency & open source.
Presented at Global Bitcoin Summit, Beijing China

Transcript

1.   An open-source crypto currency exchange  p
   :sj~YV6
2. ‚‰ @luweidewei github/weilu
4. hive
5. bitcoinjs-lib
6. Mon Tue Wed Thu Fri Sat Sun
7. Mon Tue Wed Thu Fri Sat Sun
8. Which exchange should I trust? ! JN,WU3YV6Ž
11. How can I be sure that they have my money? ! D*#
    R%Ž
12. Proof of Solvency †t.i1
13. solvency (n.) Having assets in excess of liabilities; able to pay one’s debts. http://www.oxforddictionaries.com/definition/english/solvent ‹7vŒaF;c^t
    …fŠ
14. Proof of Liabilities uWi1
15. Alice Bob Charlie Wei
17. Proof of Solvency Proof of Liabilities uWi1
18. External Verification Tool 2"-giGh
19. ฿1" 97c1f3 ฿1" 905e38 ฿2" e664c9 ฿3" dbbb44 Charlie Wei Alice Bob ฿7
 6ae843 ฿2" a0670a ฿5
 4b97a0
20. ฿1" 97c1f3 ฿1" 905e38 ฿2" e664c9 ฿3" dbbb44 Charlie Wei Alice Bob ฿6
 d017ee ฿2" a0670a ฿5
 4b97a0 Root forgery lK!e
21. ฿1" 97c1f3 ฿0" 8c2724 ฿2" e664c9 ฿3" dbbb44 Charlie Wei Alice Bob ฿6
 041a2a ฿1" cf83de ฿5
 4b97a0 Incoherent user balance J
    ]H|
22. ฿1" 97c1f3 ฿-1" 51e28e ฿2" e664c9 ฿3" dbbb44 Fake Charlie Wei Alice Bob ฿5
 ee0a14 ฿0" bb3d81 ฿5
 4b97a0 Fake user de]
23. Proof of Assets b`i1
24. Bitcoin address balance lookup BP~E|€_
26. Address"  Private Key" "
27. Address"  Private Key" " Secret qs Public >
28. + Signature"  Message" = Address"  Private Key" " Secret qs Public >
29. + Signature"  Latest Block Hash" 
     = Address"  Private Key" " Secret qs Public >
31. Trust ,W
32. Who’s done it? U=YV6( Ž
33. What can I do as a user? Demand solvent proof from your exchange Learn how to verify solvency & do it regularly Alert community upon discovery of discrepancies 4](=$Ž O9S
    YV6Tx†t.i1 'D)gib`I0Mgi &AM w„
34. Open Source p
35. Quality http://readwrite.com/2013/05/07/study-reveals-open-source-software-quality-is-higher-than-proprietary-code-up-to-a-point Peatio LoC: 56,265
36. Unix Philosophy Make each program do one thing well. http://www.faqs.org/docs/artu/ch01s06.html
37. The Security Debate C/@ˆX
38. Open Source Crypto PGP, SSL, S/MIME, IPSec, SSH, DES, AES http://www.faqs.org/docs/artu/ch01s06.html
39. Linux vs. Solaris
40. “Comparing the security of Linux with that of Microsoft Windows is not very instructive. Microsoft has done such a terrible job with security that it is not really a fair comparison.” — Bruce Schneier “Linux
    C/<r
    Windows?BZ M{@
    Šr508C/@( m
    [  A
    >L
    BkŠ” — Bruce Schneier
41. Linux vs. Solaris
42. ≠>
43. => +
44. Operational security measures QnC/ƒ}
45. Open Source Friendliness p+
46. OCB Mode Cipher Code Size Speed (MB/sec) AES/GCM large 108 AES/CCM smaller 61 AES/EAX smaller 61 "AES/OCB smallest 129
48. Proof of Solvency Open Source Multi- currency Multi- language Performant Production Ready
49. Demo \y
50. Matching Engine Performance Server: 8 Cores, 16G memory, 100G 128MB/s SSD 2 app server (running 16 executors each) 1 database server 1,000 orders/sec YVo‡@
51. Proof of Solvency Open Source Multi- currency Multi- language Performant Production Ready
52. A Network of Exchanges YV6;z
55. community@peatio.com github.com/peatio
56. References • http://www.coindesk.com/mt-gox-trading-halts-bitcoin-businesses-move-assure-investors/ • https://iwilcox.me.uk/2014/proving-bitcoin-reserves • http://en.wikipedia.org/wiki/Merkle_tree • https://github.com/olalonde/proof-of-assets • https://github.com/olalonde/proof-of-liabilities • http://readwrite.com/2013/05/07/study-reveals-open-source-software-quality-is-higher-than- proprietary-code-up-to-a-point • https://www.schneier.com/crypto-gram-9909.html • http://spark-university.s3.amazonaws.com/stanford-crypto/slides/07-authenc-v2-annotated.pdf • http://www.coindesk.com/exchanges-must-still-prove-themselves-customers/ • http://www.coindesk.com/bitstamp-audit-proves-behind-147m-mystery-bitcoin-wallet/
57. Attributions User designed by Luis Prado from the Noun Project Lock designed by Ugur Akdemir from the Noun Project Magnifier designed by Vassilis Terzopoulos from the Noun Project Refresh designed by Mourad Mokrane from the Noun Project Shield designed by Steffen Nørgaard Andersen from the Noun Project