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blockchain勉強会_11.pdf
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いっしー
January 23, 2019
Technology
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blockchain勉強会_11.pdf
いっしー
January 23, 2019
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Transcript
Blockchain Kyoto #11 ʮ͡Ί·ͯ͠ϒϩοΫνΣʔϯʯ 2019/01/23
ੴ ൏ޔ ϑϦʔϥϯεWEBΤϯδχΞ ࣗݾհ
ɾατγɾφΧϞτ ɾϏοτίΠϯ ɾP2P ɾτϥϯβΫγϣϯ ɾϚΠχϯά ϒϩοΫνΣʔϯೖ ɾίϯηϯαεΞϧΰϦζϜ ɾΥϨοτ ɾެ։伴҉߸ ɾΞϧτίΠϯ
ɾεϚʔτίϯτϥΫτ
ατγɾφΧϞτ 2008ʹ҉߸ཧʹؔ͢ΔϝʔϦϯάϦετʹ͋Δ จ͕ߘ͞Εͨɻ ʮBitcoin: A Peer-to-Peer Electronic Cash Systemʯ https://bitcoin.org/bitcoin.pdf
طଘͷΠϯλʔωοτΛհͨ͠ࢧ͍৴པͰ͖ ΔୈࡾऀػؔΛඞཁͱ͢Δɻ ୈࡾऀػؔΛඞཁͱ͠ͳ͍औҾΛߦ͏ͨΊʹɺ ৴པͰͳ͘҉߸ٕज़ʹجͮ͘γεςϜΛఏҊ͢Δɻ ατγɾφΧϞτ
ɾ୭ͰωοτϫʔΫʹࢀՃͰ͖Δ ɾP2P ɾϋογϡνΣʔϯ ɾϚΠχϯά ɾτʔΫϯൃߦ ɾެ։伴҉߸ ϏοτίΠϯ
P2PʢPeer to Peerʣ ◦ΫϥΠΞϯτɾαʔόʔ ◦P2P
ϋογϡνΣʔϯ φϯε σʔλ લϒϩοΫͷϋογϡ φϯε σʔλ લϒϩοΫͷϋογϡ φϯε σʔλ લϒϩοΫͷϋογϡ
ϋογϡ ϋογϡ ϋογϡ ؔ ؔ ؔ
ϋογϡνΣʔϯ φϯε σʔλ લϒϩοΫͷϋογϡ 34958263459723645 σʔλ લϒϩοΫͷϋογϡ 000000832e5a87f074 123456678990 σʔλ
0000002f90a432fde8 ϋογϡ ϋογϡ ؔ ؔ ؔ 000000832e5a87f074
ϋογϡνΣʔϯ φϯε σʔλ લϒϩοΫͷϋογϡ 34958263459723645 σʔλ લϒϩοΫͷϋογϡ 000000832e5a87f074 123456678990 σʔλվ᜵
0000002f90a432fde8 ϋογϡ ϋογϡ ؔ ؔ ؔ 00000049357c9b293 ⁋᧒͕߹Θͳ͘ͳΔɻ աڈͷσʔλΛվ᜵͢Δͱϋογϡ͕มΘΔ
τϥϯβΫγϣϯ φϯε "͞Μ͕#5$۷Γͯͨɻ "͞Μ͕#͞Μʹ#5$ࢧͬͨɻ #͞Μ͕$͞Μʹ#5$ࢧͬͨɻ #͞Μ͕%͞Μʹ#5$ࢧͬͨɻ લϒϩοΫͷϋογϡ φϯε #͞Μ͕#5$۷Γͯͨɻ $͞Μ͕%͞Μʹ#5$ࢧͬͨɻ
%͞Μ͕"͞Μʹ#5$ࢧͬͨɻ "͞Μ͕$͞Μʹ#5$ࢧͬͨɻ લϒϩοΫͷϋογϡ
τϥϯβΫγϣϯ
ࢄγεςϜͰͷϒϩοΫੜͷ߹ҙํ๏ ɾProof of WorkʢPOWʣ ɾProof of StakeʢPOSʣ ɾProof of ImportanceʢPOIʣ
ίϯηϯαεΞϧΰϦζϜ
ɾύϒϦοΫνΣʔϯ ɾϓϥΠϕʔτνΣʔϯ ϒϩοΫνΣʔϯͷλΠϓ
ɾϒϩοΫνΣʔϯ্Ͱಈ͘ϓϩάϥϜ ɾ݅Λຬͨ͢ͱϓϩάϥϜʢܖʣ͕ࣗಈཤߦ͞ΕΔ ɾEthereumɺEOSɺIOST εϚʔτίϯτϥΫτ
͓͢͢Ίॻ੶
͓·͚ॻ੶
·ͱΊ ɾϒϩοΫνΣʔϯͷجૅͷΛ͠·ͨ͠ɻ ɾ͓͢͢Ίॻ੶ɻ ɾ৭Μͳใҙݟʹ৮Ε·͠ΐ͏ɻ