ブロックチェーン技術の来し方行く末 / The Coming and Going of Blockchain Technology

2024年2月8日(木)、SBI 金融経済研究所 FinTech 研究会での講演で使用したスライドです。

Transcript

1. Nature and World Wide Web Melting into One Future — Generated by Stable Diffusion XL v1.0 — 2024-02-08 – p.1/17
2. Speaker Deck https://speakerdeck.com/ks91 — 2024-02-08 – p.2/17
3. 2008 Ethereum Proof of Stake (2022 ∼) Verifiable Credentials Data Model v2.0 (2024 ) — 2024-02-08 – p.3/17
4. Bitcoin . . . : ( : ) ( ) : : : ⇒ ( ) — 2024-02-08 – p.4/17
5. Bitcoin Proof of Work (2009 ∼) Bitcoin bitcoin (2024 2 6.25BTC) bitcoin < (10 ) > (10 ) 2024 4 ( ) 3.125BTC ← — 2024-02-08 – p.5/17
6. Ethereum Proof of Stake Ether (ETH) : — 2024-02-08 – p.6/17
7. / / (1) Ethereum : PROOF-OF-STAKE (POS), Eth2Book ( ) Bitcoin ( OK) 1 — 2024-02-08 – p.7/17
8. / / (2) 3 (1) (2) ( ) · (3) ( ) ( ) 1 — 2024-02-08 – p.8/17
9. / / (3) ( ) ( ) 1 ( ) 1,500 3,000 PoW Ethereum 2022 9 PoW (Proof of Stake) — 2024-02-08 – p.9/17
10. / / (4) Gwei Gwei ETH 32 ETH ( ) ETH ETH · 32 ETH ( OK) · 16 ETH ( ) 12 ( ) ( ) 1 — 2024-02-08 – p.10/17
11. / / (5) 32 1 (384 ) ( ) ( ) 2 3 ( ) 256 512 — 2024-02-08 – p.11/17
12. / / (6) ( ← ) 5 ( ) 2 3 (36 ) — 2024-02-08 – p.12/17
13. / / (7) ( ) ( ) DAO (RANDAO) ( ) 1 2 — 2024-02-08 – p.13/17
14. Gas gas + gas Ethereum ( 1 2) Ethereum ETH — 2024-02-08 – p.14/17
15. Verifiable Credentials Data Model v2.0 W3C (v2.0 ) https://w3c.github.io/vc-data-model/ : ( OK) : ( ) — 2024-02-08 – p.15/17
16. Verifiable Credentials holder : (VC) VC VP ( ) issuer : (VC) VC holder ( ) verifier : (VP) ( ) issuer verifiable credentials (VC) : verifiable presentations (VP) : verifiable data registry : ( ) ( ) ↑ ( ) — 2024-02-08 – p.16/17
17. — τʔΫϯ ୅ସ՟ฎ εϚʔτίϯτϥΫτ ݕূՄೳͳঢ়ଶϚγϯ ϓϩϏφϯε དྷྺূ໌
    ୅ସՄೳ ঈؐෆೳ ୅ସՄೳ ঈؐՄೳ ୅ସෆೳ ঈؐՄೳ ୅ସෆೳ ঈؐෆೳ ূ໌͢Δ ಉఆ͢Δ ࢧ෷͍౳ ࠷ॳͷԠ༻ *%
    Χʔυ౳ ηΩϡϦςΟ τʔΫϯ ূ݊ ౳ ηϯαʔ౳ ෺ྲྀɾ Ҩݴॻ౳ อݥਃ੥౳ ௥੻͢Δ ײ஌͢Δ தԝۜߦ σδλϧ௨՟౳ ҭ੒ήʔϜ౳ ൿີ伴Λ࢖͑Δ͔Βຊਓʁ ෛ࠴  Ξηοτͷ ਺஋දݱΛҠసͰ͖Δʁ ొ࿥͞Εͨίʔυͱ ͦͷ࣮ߦϩάͱ݁Ռͷ ਅਖ਼ੑΛ୲อͰ͖Δʁ ݖҖ͕
    Կ͔ͷ಺༰Λূ໌͢Δʁ ࣋ଓ͢Δଘࡏʹ͍ͭͯ ه࿥ΛΞοϓσʔτՄʁ ओମ͕͍ͳ͘ͳͬͯ΋ աڈͷσʔλ͸༗ޮʁ /'5 Ұൠతͳ ೝࣝ ػೳͷ ෼ੳ݁Ռ : = — 2024-02-08 – p.17/17