Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

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

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for Osuke Osuke
July 22, 2019
Technology
1.2k
1

Zerochain: A privacy-protecting layer on top of Substrate

Avatar for Osuke

Osuke

July 22, 2019

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
360
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
1.2k
LayerX Privacy Tech事業部紹介 Tech編
Avatar for Osuke osuke
2
290
(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
490
Rustで実装された AWS Nitro Enclaves CLIを読む
Avatar for Osuke osuke
1
470
Rustのパフォーマンスに関するTips
Avatar for Osuke osuke
4
5.3k
ARM TrustZone入門 / ARM TrustZone intro
Avatar for Osuke osuke
34
11k
Anonify
Avatar for Osuke osuke
3
1.2k
Rustのasync/awaitとスケジューラの話 / rust-async-await
Avatar for Osuke osuke
9
4.3k

Other Decks in Technology

See All in Technology
書き手が人でもAIでも正しくなる道、 SREを埋め込んだDeveloper Platform / tech drivers day8
Avatar for mekka chmikata
4
890
Jev の中身は50行で再現できる。でも本物との差はどこにあるのか
Avatar for hisuzuya hisuzuya
0
280
構造で守らせる　データ・法務・セキュリティ・開発チームとつくる AI時代のデータガバナンスとデータ基盤のリアル
Avatar for LegalOn Technologies, Inc legalontechnologies
PRO
3
720
Devin プロモコードの受け取りと適用(2026.10.27)
Avatar for kinopee kinopeee
1
820
Content Mapper APIの応用例～CSS Modules、言語ファイル～
Avatar for uhyo uhyo
2
490
Technical Project Manager の役割とやりがい、少しだけ AI
Avatar for Ryo Yoshii yoshiiryo1
0
550
なぜAI時代に技術記事を書くのか？どう書くのか？ 〜bunの場合〜
Avatar for KNOWLEDGE WORK / 株式会社ナレッジワーク kworkdev
PRO
0
3.5k
AI時代のエンジニアの情報発信〜個人の発信を組織の力に変える〜
Avatar for かわまた ryo_kawamata
0
6.6k
re:Inventで、人生は変わったのか？ / growth-builders-hub-1-reinvent-2026
Avatar for 株式会社みずほ銀⾏ 情報数理⼯学研究所 デジタル技術開発部 mhrtech
2
190
WireGuard for Apache NuttX - Bringing Secure Remote Access to embedded Devices -
Avatar for satoru akita aki310ooooo
0
120
You Have Agency（サンキュー、Ruby）
Avatar for Koji SHIMADA snoozer05
PRO
5
640
FinOpsを導入してマルチプロダクトのコスト最適化を実現する
Avatar for KNOWLEDGE WORK / 株式会社ナレッジワーク kworkdev
PRO
0
110

Featured

See All Featured
Between Models and Reality
Avatar for mayunak mayunak
4
540
Designing Dashboards & Data Visualisations in Web Apps
Avatar for Des Traynor destraynor
232
55k
Designing for Performance
Avatar for Lara Hogan lara
612
70k
10 Git Anti Patterns You Should be Aware of
Avatar for Lemi Orhan Ergin lemiorhan
PRO
659
62k
The innovator’s Mindset - 
Leading Through an Era of Exponential Change - McGill University 2025
Avatar for Jean-Marc De Jonghe jdejongh
PRO
1
390
Leading Effective Engineering Teams in the AI Era
Avatar for Addy Osmani addyosmani
9
2.8k
How to optimise 3,500 product descriptions for ecommerce in one day using ChatGPT
Avatar for Katarina Dahlin katarinadahlin
PRO
3
3.9k
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
Avatar for Umar Saidu Auna auna
0
340
From Legacy to Launchpad: Building Startup-Ready Communities
Avatar for Dug Song dugsong
0
370
Exploring anti-patterns in Rails
Avatar for Elle Meredith aemeredith
4
560
A Modern Web Designer's Workflow
Avatar for Chris Coyier chriscoyier
699
190k
Build your cross-platform service in a week with App Engine
Avatar for Jose L jlugia
234
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