Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Zerochain: A privacy-protecting layer on top of...

Avatar for Osuke Osuke
July 22, 2019
Technology
1
1.1k

Zerochain: A privacy-protecting layer on top of Substrate

Avatar for Osuke

Osuke

July 22, 2019
Tweet

More Decks by Osuke

See All by Osuke
特許データを使ったマルチモーダルAIの検証事例@LLMProd#4
Avatar for Osuke osuke
0
250
dbtを中心に据えた データ分析とプロダクト開発
Avatar for Osuke osuke
1
1.1k
LayerX Privacy Tech事業部紹介 Tech編
Avatar for Osuke osuke
0
200
(SCIS2021) Anonify: プライバシーを保護した 検証可能な状態遷移モジュール
Avatar for Osuke osuke
1
370
Rustで実装された AWS Nitro Enclaves CLIを読む
Avatar for Osuke osuke
0
370
Rustのパフォーマンスに関するTips
Avatar for Osuke osuke
3
3.4k
ARM TrustZone入門 / ARM TrustZone intro
Avatar for Osuke osuke
3
8.7k
Anonify
Avatar for Osuke osuke
3
1.1k
Rustのasync/awaitとスケジューラの話 / rust-async-await
Avatar for Osuke osuke
9
4k

Other Decks in Technology

See All in Technology
アクセスピークを制するオートスケール再設計: 障害を乗り越えKEDAで実現したリソース管理の最適化
Avatar for M-Yamashita myamashii
1
330
ポストコロナ時代の SaaS におけるコスト削減の意義
Avatar for izzii izzii
1
260
セキュアな社内Dify運用と外部連携の両立 ~AIによるAPIリスク評価~
Avatar for ZOZO Developers zozotech
PRO
0
100
20250707-AI活用の個人差を埋めるチームづくり
Avatar for shnjtk shnjtk
6
4.1k
ゼロからはじめる採用広報
Avatar for Yuta Horii yutadayo
4
1k
関数型プログラミングで 「脳がバグる」を乗り越える
Avatar for manabeai manabeai
2
220
Amplify Gen2から知るAWS CDK Toolkit Libraryの使い方/How to use the AWS CDK Toolkit Library as known from Amplify Gen2
Avatar for MURAKAMI Masahiko fossamagna
1
240
マーケットプレイス版Oracle WebCenter Content For OCI
Avatar for oracle4engineer oracle4engineer
PRO
3
990
Delta airlines®️ USA Contact Numbers: Complete 2025 Support Guide
Avatar for ape1422 airtravelguide
0
350
Delegating the chores of authenticating users to Keycloak
Avatar for Alexander Schwartz ahus1
0
180
大量配信システムにおけるSLOの実践:「見えない」信頼性をSLOで可視化
Avatar for PLAID Tech plaidtech
PRO
0
290
「Chatwork」のEKS環境を支えるhelmfileを使用したマニフェスト管理術
Avatar for hanayo04 hanayo04
1
240

Featured

See All Featured
The Success of Rails: Ensuring Growth for the Next 100 Years
Avatar for Eileen M. Uchitelle eileencodes
45
7.5k
jQuery: Nuts, Bolts and Bling
Avatar for Doug Neiner dougneiner
63
7.8k
Designing for humans not robots
Avatar for Tammie Lister tammielis
253
25k
Side Projects
Avatar for Sacha Greif sachag
455
42k
Making the Leap to Tech Lead
Avatar for Ryan Cromwell cromwellryan
134
9.4k
The Illustrated Children's Guide to Kubernetes
Avatar for Chris Short chrisshort
48
50k
Distributed Sagas: A Protocol for Coordinating Microservices
Avatar for Caitie McCaffrey caitiem20
331
22k
Fight the Zombie Pattern Library - RWD Summit 2016
Avatar for Marcelo Somers marcelosomers
233
17k
Done Done
Avatar for chrislema chrislema
184
16k
Mobile First: as difficult as doing things right
Avatar for Swwweet swwweet
223
9.7k
Navigating Team Friction
Avatar for Lara Hogan lara
187
15k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
Avatar for panda_program panda_program
107
19k

Transcript

  1. ;FSPDIBJO 0TVLF4VEP!-BZFS9*OD+VM

  2. ;FSPDIBJO BQSJWBDZQSPUFDUJOHCMPDLDIBJO w 0OUPQPG4VCTUSBUF w 1SPWJEJOHTPNFTVCTUSBUFNPEVMFTBOEUPPMLJUTGPS QSPUFDUJOHTFOTJUJWFEBUBTUPSFEPODIBJO

  3. 1SJWBDZJO;FSPDIBJO w 5IFpSTUHPBMPG;FSPDIBJOJTQSPWJEJOHTFDVSFBOE F⒏DJFOUQSJWBDZQSPUFDUJOHBTTFUTQSPUPDPM w 5SBOTGFSSFEBNPVOUT FBDIBDDPVOUCBMBODF BOE JEFOUJUJFTPGTFOEFSBOESFDJQJFOUBSFQSJWBUF

  4. ;FSPDIBJOPWFSWJFX 1SJWBDZPSJFOUFEBQQMJDBUJPOT DPOpEFOUJBMBOPOZNPVTQBZNFOU FUDʜ ;FSPDIBJO ;FUIFS [L4OBSLT 4VCTUSBUF

  5. 4VCTUSBUF w "CBTJTCMPDLDIBJOQMBUGPSNEFWFMPQFECZ1BSJUZ w 8FDBOCVJMEBQQMJDBUJPOTQFDJpDNPEVMFTPOUPQPGJU %BUBCTF 4VCTUSBUF 11 OFUXPSLJOH $POTFOTVT

    5YRVFVF ɾɾɾ

  6. 4VCTUSBUFNPEVMFTBOESVOUJNF

  7. ;FUIFS w ;FUIFSJTBOF⒏DJFOU andGVMMZEFDFOUSBMJ[FE,DPOpEFOUJBMQBZNFOU NFDIBOJTNUIBUJTDPNQBUJCMFXJUITNBSUDPOUSBDUQMBUGPSNT w )PNPNPSQIJDFODSZQUJPOTDIFNFIJEFTUSBOTGFSSFEBNPVOUTBOE BDDPVOUCBMBODFT w "OBDDPVOUCBTFEBQQSPBDIGPSF⒏DJFODZBOEVTBCJMJUZ

    w "WPJEJOH6590BDDVNVMBUJPO w ;FSPDIBJOVTFT[L4/"3,TJOTUFBEPG4JHNBCVMMFUT w 5IFTUBUFNFOUTJO[L4/"3,TBSFCBTFEPO;FUIFSQSPUPDPM w #FOFEJLU#„VO[ 4IBTIBOL"HSBXBM .BIEJ;BNBOJ BOE%BO#POFI

  8. $POpEFOUJBMQBZNFOU "DDPVOUCBTFEIPNPNPSQIJDFODSZQUJPOTDIFNF "EESFTT@BMJDF PODIBJO "EESFTT@CPC "MJDFTFOET FODSZQZFEDPJOTUP#PC

  9. $POpEFOUJBMQBZNFOU "DDPVOUCBTFEIPNPNPSQIJDFODSZQUJPOTDIFNF "EESFTT@BMJDF PODIBJO "EESFTT@CPC -JGUFE&MHBNBM FODSZQUJPO &OD  &OD

     "MJDFTFOET FODSZQZFEDPJOTUP#PC

  10. $POpEFOUJBMQBZNFOU "DDPVOUCBTFEIPNPNPSQIJDFODSZQUJPOTDIFNF "EESFTT@BMJDF PODIBJO "EESFTT@CPC -JGUFE&MHBNBM FODSZQUJPO &OD  &OD

     &OD  &OD  Š &ODSZQUFE BNPVOU 5Y "MJDFTFOET FODSZQZFEDPJOTUP#PC

  11. $POpEFOUJBMQBZNFOU "DDPVOUCBTFEIPNPNPSQIJDFODSZQUJPOTDIFNF "EESFTT@BMJDF PODIBJO "EESFTT@CPC -JGUFE&MHBNBM FODSZQUJPO &OD  &OD

      &OD   &OD  6QEBUFE CBMBODF &OD  &OD  Š &ODSZQUFE BNPVOU 5Y "MJDFTFOET FODSZQZFEDPJOTUP#PC

  12. $POpEFOUJBMQBZNFOU "DDPVOUCBTFEIPNPNPSQIJDFODSZQUJPOTDIFNF "EESFTT@BMJDF PODIBJO "EESFTT@CPC -JGUFE&MHBNBM FODSZQUJPO &OD  &OD

      &OD   &OD  6QEBUFE CBMBODF &OD  &OD  Š &ODSZQUFE BNPVOU 5Y "MJDFTFOET FODSZQZFEDPJOTUP#PC %FDSZQUJPO DPJOT

  13. $POpEFOUJBMQBZNFOU "DDPVOUCBTFEIPNPNPSQIJDFODSZQUJPOTDIFNF "EESFTT@BMJDF PODIBJO "EESFTT@CPC -JGUFE&MHBNBM FODSZQUJPO &OD  &OD

      &OD   &OD  6QEBUFE CBMBODF &OD  &OD  Š &ODSZQUFE BNPVOU 5Y "MJDFTFOET FODSZQZFEDPJOTUP#PC %FDSZQUJPO DPJOT

  14. 7FSJpDBUJPOQBSU YCEFDCECDBCFDDEFBFFFDGDBCGD
 FCDDGBBDECCDEGDGFFBGFCBDBGDFEGDFEE &OD  CZUFT

  15. 7FSJpDBUJPOQBSU YCEFDCECDBCFDDEFBFFFDGDBCGD
 FCDDGBBDECCDEGDGFFBGFCBDBGDFEGDFEE &OD  CZUFT • A transferred amount

    is within a valid range. (Not negative) • Sender has enough balance. • It is encrypted by a correct encryption key • … [L4/"3,T

  16. [L4/"3,T<(SPUI> 1SPWFS 7FSJpFS PODIBJO QSPPG 'GVODUJPO YQSJWBUFJOQVU ZQVCMJDJOQVU 'GVODUJPO ZQVCMJDJOQVU

    ' Y Z

  17. [L4/"3,T<(SPUI> 1SPWFS 7FSJpFS PODIBJO QSPPG 'GVODUJPO YQSJWBUFJOQVU ZQVCMJDJOQVU 'GVODUJPO ZQVCMJDJOQVU

    ' Y Z "NPVOUJTOPUPWFSqPX "NPVOU &ODSZQUFEBNPVOU

  18. [L4/"3,T<(SPUI> QL WL 4FUVQ 'GVODUJPO 1SPWFS 7FSJpFS PODIBJO QSPPG 'GVODUJPO

    YQSJWBUFJOQVU ZQVCMJDJOQVU 'GVODUJPO ZQVCMJDJOQVU ' Y Z "NPVOUJTOPUPWFSqPX "NPVOU &ODSZQUFEBNPVOU

  19. 8IZ[L4/"3,T w 4JHOJpDBOUMZTNBMMQSPPGTBOEF⒏DJFOUWFSJpDBUJPO w (SFBUDPNNVOJUZ BXTPNFUPPMDIBJOTEFWFMPQFECZ;DBTI w %PXOTJEFJTUSVTUFETFUVQ w 4PMVUJPOT

    w .1$ [DBTI  w 6OJWBSTBMBOEVQEBUBCMF434 40/*$

  20. ;FSPDIBJOQSPUPDPM w )ZCSJETPMVUJPOT w ;FUIFS)JHIMFWFMQSJWBDZTDIFNFXIJDIUBLFTBO BDDPVOUCBTFEBQQSPBDI w ;DBTIUPPMDIBJO#BTJT;FSPLOPXMFEHFQSPWJOH TZTUFNT w

    4VCTUSBUF$PSFCMPDLDIBJOMBZFSXIJDIQSPWJEFT 11OFUXPSLJOH EBUBCBTF DPOTFOTVTFOHJOF FUD

  21. "VEJUBCJMJUZ w 'PSSFBMXPSMEVTBHF BVEJUBCJMJUZJTBOJNQPSUBOU BTQFDU w 1SPUFDUJOHGSPNUIJOHTMJLF".- w "QQSPQSJBUFFOUJUJFTBSFTVQQPTFEUPBVEJUDFSUBJO VTFS`TNPOFZqPXTJOTPNFpOBODJBMVTFDBTFT

  22. ,FZDPNQPOFOUTGPSBVEJUBCJMJUZ 3FSBOEPNJ[FE TJHOJOHLFZ 3FSBOEPNJ[FE WFSJGZJOHLFZ 4QFOEJOHLFZ 1SPPGHFOFSBUJPO LFZ %FDSZQUJPOLFZ &ODSZQUJPOLFZ

    1SJWBUFLFZ 1VCMJDLFZ SBOEPNJ[F SBOEPNJ[F

  23. ,FZDPNQPOFOUTGPSBVEJUBCJMJUZ 3FSBOEPNJ[FE TJHOJOHLFZ 3FSBOEPNJ[FE WFSJGZJOHLFZ 4QFOEJOHLFZ 1SPPGHFOFSBUJPO LFZ %FDSZQUJPOLFZ &ODSZQUJPOLFZ

    1SJWBUFLFZ 1VCMJDLFZ SBOEPNJ[F SBOEPNJ[F

  24. $VSSFOUTUBUVTPG;FSPDIBJO w IUUQTHJUIVCDPN-BZFS9DPN[FSPDIBJO w 0QFOTPVSDF w *NQMFNFOUFEJO3VTU

  25. $VSSFOUTUBUVTPG;FSPDIBJO w 4VQQPSUFECZ8FCGPVOEBUJPOHSBOUQSPHSBN w "MQIBWFSJTXPSLJOH w 6OEFSEFWFMPQNFOUGPSQSPEVDUJPOSFBEZ w (FUUJOHTFDVSJUZSFWJFXT NPSFPQUJNJ[BUJPO

    BOE NBLJOHEPDVNFOUBUJPOTʜ

  26. ;'BDF w "OJOUFSGBDFGPSJOUFSBDUJOHXJUI;FSPDIBJO w -PXMFWFMXBMMFUGFBUVSFTBOEDSZQUPHSBQIJDUPPMT w $PNNBOEMJOFVUJMJUJFTQPXFSFECZ;'BDFJT BWBJMBCMFOPX

  27. 'VUVSFXPSLT w "EEJOHJOUFSBTUJOHGBODUJPOBMJUJFT w QSJWBDZNJOUCVSO BUPNJDFYDIBOHFT NVMUJTJHOBUVSFʜ w #FJOHDPNQBUJCMFXJUIBNPEVMFGPS6590CBTFEQSJWBUF DPNQVUBUJPOT

    FY;&9&  w *NQMFNFOUJOHBUPZ4POJD w IUUQTHJUIVCDPN-BZFS9DPNMYTPOJD

  28. 5IBOLZPV