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暗号通貨で動く経済
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sgtn
May 23, 2018
Research
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暗号通貨で動く経済
中央集権性、ビザンチン性、冗長性などについて初心者向けに概観を書きました。これは発表用資料なので、あとでブログで解説を添えます。
sgtn
May 23, 2018
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Transcript
҉߸௨՟Ͱಈ͘ܦࡁ ʙΠϯλʔωοτొҎདྷͷ֪มಈͷ֓؍ʙ
தԝूݖੑͱརݖʢఱԼΓɺۜʣ ϏβϯνϯੑͱੑʢόεఀɺռٻɺυΠπۜߦʣ ҉߸௨՟ࣗવݱʢ֪ɺP2PɺݕӾੑʣ ͚֮̏ͭͩ͑ͯؼΕ্Ͱ͢
1. ֤ࠃͷରԠঢ়گ 2. ҉߸௨՟Ͱޭͨ͠ਓʑ 3. ࠓޙͷைΛಡΉ
1. ֤ࠃͷରԠঢ়گ
ੈքͰͬͱBitcoin͕ΘΕ͍ͯͯɺ ূ݊औకҕһձ(SEC)͕ݫ͍͠ࠃʁ
ੈքͰͬͱBitcoin͕ΘΕ͍ͯͯɺ ূ݊औకҕһձ(SEC)͕ݫ͍͠ࠃʁ
҉߸௨՟Ͱ࠷ޭͨ͠BitmainͱBinance͕͍Δͷʹ ن੍ʹ͏Δ͍͞ࠃʁ
҉߸௨՟Ͱ࠷ޭͨ͠BitmainͱBinance͕͍Δͷʹ ن੍ʹ͏Δ͍͞ࠃʁ
1. ੈք࠷ߴͷిࢠ 2. ICO(τʔΫϯΛฦ͢ग़ࢿ)Λূ݊Ͱͳ͘دʹͨ͠ࠃ 3. ҉߸௨՟औҾӹແ՝੫Ҭ 4. σʔλࢿݯͷن੍
1. ੈք࠷ߴͷిࢠ 2. ICO(τʔΫϯΛฦ͢ग़ࢿ)Λূ݊Ͱͳ͘دʹͨ͠ࠃ 3. ҉߸௨՟औҾӹແ՝੫Ҭ 4. σʔλࢿݯͷن੍
ICO͕සൟʹߦΘΕΔࠃ ओಋͰICOࢢΛߏஙͨ͠ࠃ ڧߗͳن੍ͷΘΓʹۚ༥૬͚ͩBitcoinΛ͍࣋ͬͯͨࠃ
ICO͕සൟʹߦΘΕΔࠃ ओಋͰICOࢢΛߏஙͨ͠ࠃ ڧߗͳن੍ͷΘΓʹۚ༥૬͚ͩBitcoinΛ͍࣋ͬͯͨࠃ
ຊਓ͑Δར֬ແ੫ͩͬͨࠃ͕͋Δʂʁ
ຊਓ͑Δར֬ແ੫ͩͬͨࠃ͕͋Δʂʁ
νϟϕεͷࣦଶ ੴ༉ґଘଔۀΛࢦ͢ BitcoinΛࠃͷओཁͳ࢈ۀʹ
νϟϕεͷࣦଶ ੴ༉ґଘଔۀΛࢦ͢ BitcoinΛࠃͷओཁͳ࢈ۀʹ
্࢙࠷ѱͷϋΠύʔΠϯϑϨ BitcoinधཁΛݺͼى͜͢ ҉߸௨՟Λېࢭʹ
্࢙࠷ѱͷϋΠύʔΠϯϑϨ BitcoinधཁΛݺͼى͜͢ ҉߸௨՟Λېࢭʹ
ٸΛ͠ͷ͗ͷ੫ઃܭੈք࠷ߴ੫Ͱ࠷େ55% FXͱಉ͡Ϟσϧͷن੍͕৽ͨͳ࢈ۀͷՄೳੑΛͭͿ͢
ٸΛ͠ͷ͗ͷ੫ઃܭੈք࠷ߴ੫Ͱ࠷େ55% FXͱಉ͡Ϟσϧͷن੍͕৽ͨͳ࢈ۀͷՄೳੑΛͭͿ͢
2. ҉߸௨՟Ͱޭͨ͠ਓʑ
Changpeng Zhao: Exchange > Binance 2018 Q1 རӹ$200M
Jihan Wu: Bitcoin > Bitmain 2017 རӹ$4B
νοϓϝʔΧʔ Taiwan Semiconductor Manufacturing Company (TSMC) 2018 Q1 ͷച্$8.5B རӹ$3B
͜ͷച্3݄ʹ40%࡞ΒΕͨ
Roger Ver: Bitcoin $52M
Vitalik Buterin: Bitcoin Magazine > Ethereum 2017 Aug, Vitalik $122M
Joseph Lubin: Ethereum > Consensys ΩϟϐλϧήΠϯ༧$1-5B
Satoshi Nakamoto $1B
3. ࠓޙͷைΛಡΉ
3-1. Έͣ΄ͷ20ສਓ݄ɺਓ݄ͷਆ 3-2. Կ͕θϩԽͨ͠ͷ͔ʁɿࢄτϥϯβΫγϣϯߏஙίετ 3-3. େࣗવͱͯ͠ͷBitcoinͱূ݊ͱͯ͠ͷEthereum 3-4. Հཟͱόβʔϧ 3-5. ࢧͰͳ͘ߩݙ
3-6. खྉϏδωε͕߹Θͳ͍ͱ͖Λͬͯઃܭ͢Δ 3-7. ޱίϛ·ͨߩݙ 3-8. τʔΫϯ͍ͱ੫ 3-9. ུᦦ͘ઓࠃ࣌ͷ఼༷ͷؾ࣋ͪͰɿϏβϯνϯੑ 3-10. ੈͷதͷϏβϯνϯੑͱੑ͕࠶ൃݟ͞Εͨ 3-11. ੑͷརͱฐɿΓ͠Մೳɺޏ༻ग़ɺࢴɺҹؑɺϝʔϧɺഊɺརݖ 3-12. ϏβϯνϯੑΛղܾͨ͠γεςϜͷརͱฐɿߴੑɺվળੑɺ֦େੑɺແഊແར ݖɺΓ͠ෆՄɺΘ͔ͣʹ͞Ε࣏ͨ 3-13 ߦಈ҉߸ܦࡁֶɿڙୗͱใुΛ༻͍ͨࣗવͷઁཧͷൃ۷ͱ࣮ 3-14. େࣗવతγεςϜͷκϯϏੑɿ͍͔ͭ৯ΘΕΔͦͷલʹ
3-1. Έͣ΄ͷ20ສਓ݄ɺਓ݄ͷਆ ۜߦ౷߹ ίϯϙʔωϯτԽ 3000ԯԁ 8000ਓ
3-2. Կ͕θϩԽͨ͠ͷ͔ʁɿ ɹɹࢄτϥϯβΫγϣϯߏஙίετ λΠϜΞτʢͪ࣌ؒΦʔόʔʣ
3-2. Կ͕θϩԽͨ͠ͷ͔ʁɿ ɹɹࢄτϥϯβΫγϣϯߏஙίετ ๏ਓͱͯ͠༻ҙͨ̍̌̌͠ສͷαʔόʔ vs ༗ࢤͱٗࢣ͕͑ͣग़ೖΓ͢Δ100ສͷαʔόʔ
3-3. େࣗવͱͯ͠ͷBitcoinͱূ݊ͱͯ͠ͷEthereum ΦϨϯδ ֪ ֪
3-4. Հཟͱόβʔϧ Հཟʢ͕ΒΜ/Χςυϥϧʣ όβʔϧ
3-5. ࢧͰͳ͘ߩݙ ΠϧϛφςΟ ΞϊχϚε
3-6. खྉϏδωε͕߹Θͳ͍ͱ͖ɿ ɹɹΛͬͯઃܭ͢Δ ήʔϜ ௨՟
3-7. ޱίϛ·ͨߩݙ ࠂ ޱίϛ
3-8. τʔΫϯ͍ͱ੫ ࡶॴಘ
3-9. ུᦦ͘ઓࠃ࣌ͷ఼༷ͷؾ࣋ͪͰɿ ɹɹϏβϯνϯੑ ίϯελϯςΟϊʔϓϧͷؕམ
3-10. ੈͷதͷϏβϯνϯੑͱੑ͕࠶ൃݟ͞Εͨ 3ஹԁͷޡૹۚ ࣛࣇౡަ௨ͷ࣌ࠁද࿈ଓ౪
3-11. ੑͷརͱฐɿ ɹɹΓ͠Մೳɺࢴɺҹؑɺϝʔϧɺഊɺརݖ ݱߦͷํ๏ ੑͷঈ
3-12. ϏβϯνϯੑΛղܾͨ͠γεςϜͷརͱฐɿ γεςϜΛ͖ʹ࡞Δͱ؆୯ʹ࡞ΕΔ͕ɺ͕Γ͕ͳ͍ γεςϜΛΦʔϓϯʹ࡞Δͷ͕؆୯ʹͳͬͨࠓɺ͕Γ࢝ΊΔ
3-13 ߦಈ҉߸ܦࡁֶɿ ɹɹڙୗͱใुΛ༻͍ͨࣗવͷઁཧͷൃ۷ͱ࣮ HTLC(ϋογϡυɾλΠϜɾϩοΫɾίϯτϥΫτ) தؒऀ͕ζϧΛ͠ͳ͍͓ۚͷόέπϦϨʔ
3-14. େࣗવతγεςϜͷκϯϏੑɿ ɹɹࢮͳͳ͍γεςϜ
·ͱΊ தԝूݖੑͱརݖʢఱԼΓɺۜʣ ϏβϯνϯੑͱੑʢόεఀɺռٻɺυΠπۜߦʣ ҉߸௨՟ࣗવݱʢ֪ɺP2PɺݕӾੑʣ