ブロックチェーンの課題とポテンシャル / Challenges and Potentials of Blockchain

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— 2021-10-29 – p.1/11

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( ) SFC ( ) CSO (Chief Science Ofﬁcer) 1993 ( ) 2006 ( ) /SFC 21 P2P (Peer-to-Peer) 2011 (2018) STEAM (2021) VR ( ) → ( ) — 2021-10-29 – p.2/11

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(Proof of Work ( ) Proof of Stake ( ) ) ← — 2021-10-29 – p.3/11

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CAP 1BSUJUJPO UPMFSBODF $POTJTUFODZ "WBJMBCJMJUZ *NQPTTJCMF Ұ؏ੑ Մ༻ੑ ଱෼அੑ ෆՄೳ Consistency ( ) Availability ( ) Partition tolerance ( ) ⇒ 3 C A P C Eventual consistency OK — 2021-10-29 – p.4/11

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Bitcoin = — 2021-10-29 – p.5/11

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(1) ← 3 — 2021-10-29 – p.6/11

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(2) (1) ( ) (2) ( ) (3) ( ) bitcoin — 2021-10-29 – p.7/11

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( : ) ( : ) ← NFT ↑ ERC-721 , ID NFT — 2021-10-29 – p.8/11

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(DeFi) (DeFi : Decentralized Finance) ⇒ ( ) ⇒ ⇒ ( ) ( ) NFT (Non-Fungible Token) — 2021-10-29 – p.9/11

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— 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 — 2021-10-29 – p.10/11

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— (2020) ( ) — 2021-10-29 – p.11/11