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ブロックチェーンゲームの現状と今後 / Today's Blockchain Game and...
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Ryo Manzoku
June 13, 2019
3
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ブロックチェーンゲームの現状と今後 / Today's Blockchain Game and The Future
APPS JAPAN 2019
Ryo Manzoku
June 13, 2019
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Transcript
ϒϩοΫνΣʔϯήʔϜͷݱঢ়ͱࠓޙ double jump.tokyoגࣜձࣾ ຬ ྄
͡Ίʹ ϒϩοΫνΣʔϯήʔϜࢢ My Crypto Heroesͷհ ϒϩοΫνΣʔϯήʔϜͰࠓͳʹ͕ى͖͍ͯΔͷ͔ EthereumͷϝϦοτσϝϦοτ ݱࡏͷϒϩοΫνΣʔϯήʔϜγεςϜ ERC721ͱΤίγεςϜ ϒϩοΫνΣʔϯήʔϜͷະདྷ
ࣗݾհ ຬ ྄ ʢManzoku Ryoʣ double jump.tokyo ϦʔυΤϯδχΞ 2018/7݄ΑΓ Πϯϑϥઃܭӡ༻ɺαʔόαΠυ։ൃɺ
SmartContract։ൃɺϒϩοΫνΣʔϯٕज़ௐࠪͳͲΛ୲ աڈʹιʔγϟϧήʔϜձࣾɺEdTechΞϓϦձࣾͰΠϯϑ ϥΤϯδχΞͱͯ͠AWSΛத৺ͱͨ͠ΫϥυΠϯϑϥ͔Β ΞϓϦ·ͰͷશମઃܭɺߏஙɺվળΛܦݧ
double jump.tokyoגࣜձࣾ 20184݄ ۀ ϒϩοΫνΣʔϯήʔϜઐۀ ։ൃձࣾ MyCryptoHeroesͷ։ൃɺӡӦ ैۀһ15ਓʢۀҕୗΛؚ Ήʣ
ϒϩοΫνΣʔϯήʔϜࢢ
ϒϩοΫνΣʔϯήʔϜࢢ 2017.11 CryptoKitties ϦϦʔε 2017.12 Etheremon ϦϦʔε 2018.06 ͘Γಲ ϦϦʔεʢຊൃʣ
2018.11 MyCryptoHeroes ϦϦʔεʢຊൃʣ 2019.06 CryptoSpells ϦϦʔε༧ఆ ʢຊൃʣ 2019.xx xxxx
ϒϩοΫνΣʔϯήʔϜࢢ CryptoKittiesͷϦϦʔεΛൽΓʹσδλϧΞηοτʹ͍ͭͯΓ ্͕ΓΛݟ͍ͤͯΔ Non-Fungible TokenʢNFTʣସੑͷͳ͍τʔΫϯͱ͍͏֓೦͕ੜ Έग़͞Εɺͦͷ༷ͱͯ͠ERC721͕ࡦఆ͞Εͨ 2018ޙ͔ΒɺຊൃͷϒϩοΫνΣʔϯήʔϜϦϦʔε͞ Εͨ 2020ʹ͔͚ͯɺ༷ʑͳήʔϜ͕ੜ·Εɺଟ͘ͷσϕϩούʔͷࢀ ೖ͕༧͞ΕΔ
ϒϩοΫνΣʔϯήʔϜࢢ CryptoKittiesͷ࠷ߴམࡳֹ1300ສԁʢ2017.12 Ϩʔτ࣌ͷ ͷʣ MyCryptoHeroes ϦϦʔε͔Β6ϲ݄Ͱ12,000ETHͷച্ ʢ2019.5ʣ F1 Delta Time͕415.9ETHͷԾϨʔγϯάΧʔΛൢച
NFTऔҾॴͷOpenSeaͰ݄ؒ10,000ETH΄ͲͷΞηοτ͕ചങ ͞Ε͍ͯΔ
ͷհ
None
MyCryptoHeroesͱ My Crypto HeroesɺMCHɺϚΠΫϦ 2018-11-30 ਖ਼ࣜαʔϏε։࢝ EthereumΛར༻ͨ͠ϒϩοΫνΣʔϯήʔϜ ήʔϜࢿ࢈ (ERC721) Ethereumʹͯཧ
ήʔϜϩδοΫαʔόʹ࣮ͯߦ 2019ॳʹɺϒϩοΫνΣʔϯήʔϜຊॳͷςϨϏCMΛ࣮ࢪ
MyCryptoHeroesͱ ήʔϜʹ͔͚͓ͨ࣌ؒۚɺ͋ͳͨͷࢿ࢈ͱͳΔੈք Ethereumʹ͋ΔήʔϜࢿ࢈Ϣʔβʔ͕ࣗ༝ʹѻ͏͜ͱ͕Ͱ͖Δ ήʔϜࢿ࢈Λҭ͢Δ͜ͱͰՁΛߴΊΔ͜ͱ͕Մೳ Ethereumʹॴ༗ใΛ࣋ͯΔήʔϜࢿ࢈ͱͯ͠ɺύʔςΟʹฤ Ͱ͖ΔHeroͱHero͕උ͢ΔExtensionɺήʔϜʹ͔Εͨࠃ ՈͷLandSector͕͋Δ ֤ήʔϜࢿ࢈SmartContractʹΑͬͯൃߦ্ݶ͕ఆΊΒΕ͍ͯΔ
MyCryptoHeroesͱ
MyCryptoHeroesͷήʔϜࢿ࢈ Hero: ӡӦ͘͠ࢢ͔Βߪೖ͢ΔɻΫΤετPvPʹར༻͢Δ Extension: ΫΤετΫϦΞ࣌͘͠ࢢ͔Βߪೖ͢ΔɻHeroʹ උͤ͞ΫΤετPvPʹར༻͢Δ LandSector: ӡӦ͘͠ࢢ͔Βߪೖ͢ΔήʔϜࠃՈͷΦʔ φʔɻ্ҐऀKingͱͳΓϢʔβʔΛಋ͘
࢜Ϟσϧ ࢜ PvPότϧʹࢀՃ͠ ɺ໊ΛಘΔ ΫΤετΛΫϦΞ͠ ܦݧɺExtensionΛ֫ಘ͠ ͦͷചങΛߦ͏ HeroΞʔτΛ࡞͠
ൢചΛߦ͏ ໊ΛಘΔ Hero, ExtensionΛࢢ͔Β ೖΕൢചΛߦ͏
ָ͠ΈํਓͦΕͧΕ ࢜ͱ͍͏ϞσϧΛϕʔεʹػೳΛ࡞͍ͯ͠Δͷ ͷɺήʔϜʹ৬ۀͱ͍͏ύϥϝʔλଘࡏ͠ͳ͍ ຽϝΠϯͰָ͠ΈͭͭɺPvPΠϕϯτʹࢀՃ͢Δਓ ҭͭͭ͠ɺചങΛ͢Δਓ ΞʔτΛ࡞͠ɺൃදɺചങΛߦ͏ਓ ίϛϡχςΟ׆ಈΛָ͠Ήਓ MCHΛʹࣗ༝ʹָ͠ΜͰ͍Δ
ϒϩοΫνΣʔϯήʔϜͰ Կ͕ى͖͍ͯΔͷ͔
ϒϩοΫνΣʔϯήʔϜͰԿ͕ى͖͍ͯΔͷ͔ https://youtu.be/BlohAtMu224
ϒϩοΫνΣʔϯήʔϜͰԿ͕ى͖͍ͯΔͷ͔ Ϣʔβʔओ࠵ɺөըؗΛͬͨϦΞϧΠϕϯτ
ϒϩοΫνΣʔϯήʔϜͰԿ͕ى͖͍ͯΔͷ͔ ΞΫςΟϒϢʔβʔܧଓ
ϒϩοΫνΣʔϯήʔϜͰԿ͕ى͖͍ͯΔͷ͔ ڻҟతͳDAUܧଓ ʢ7daysͰ80%~90%ʣΛਪҠ Ϣʔβʔͷڰɺྔ Ϣʔβʔओ࠵ΠϕϯτɺΦϑձ͕։࠵ ຖͷΑ͏ʹ։࠵͞ΕΔήʔϜΛͬͨϢʔβʔΠϕϯτ ઍਓͷϢʔβʔίϛϡχςΟ
ͳͥϒϩοΫνΣʔϯήʔϜʹڰ͢Δͷ͔ ϒϩοΫνΣʔϯʹΑΔήʔϜࢿ࢈ͷॴ༗ ࣗͷͷͰ͋Δͱ͍͏طଘήʔϜʹͳ͍ମݧ ήʔϜࢿ࢈ͷϢʔβʔؒৡ Ϣʔβʔओ࠵ͷاըϓϨθϯτɺॳ৺ऀ༑ਓͷϓϨθ ϯτ ήʔϜࢿ࢈ͷՁ σδλϧΞηοτऔҾॴʹΑΔࣗ༝ͳऔҾ
ͳͥϒϩοΫνΣʔϯήʔϜʹڰ͢Δͷ͔ ैདྷͷήʔϜΞΠςϜఏڙऀ/ӡӦ͔Βফඅऀ/ϢʔβʔͷҰ ํతͳି༩Ͱ͋ͬͨ ϒϩοΫνΣʔϯήʔϜʹ͓͍ͯɺήʔϜΞΠςϜӡӦͱϢʔ βʔڞ௨ͷࢿ࢈Ͱ͋ΓɺϢʔβʔεςʔΫϗϧμʔͰ͋Δ ήʔϜࢿ࢈͕͋Δ͜ͱͰϢʔβʔӡӦɺϢʔβʔಉ࢜ͷ૬ޮ Ռ͕ੜ·ΕΔ ΤίγεςϜͱͦΕΛࢧ͑Δڧ͍ϢʔβʔίϛϡχςΟ
EthereumͷϝϦοτ/σϝϦοτ
Ethereumͱ ϒϩοΫνΣʔϯٕज़Λར༻ͨ͠ࢄΞϓϦέʔγϣϯϓϥοτ ϑΥʔϜ SmartContractʹҙͷಈ࡞ΛϓϩάϥϜ͢Δ͜ͱͰɺಠࣗ௨՟ͷ ൃߦථγεςϜͳͲͷ༷ʑͳΞϓϦέʔγϣϯ͕࣮ݱͰ͖Δ SmartContractSolidityͱ͍͏ݴޠͰهड़͠EthereumʹσϓϩΠ ͢Δ ϓϩάϥϜͷ࣮ߦʹखྉ͕͔͔ΓɺϚΠφʔͷใुͱͳΔ ෦௨՟Ͱ͋Δether (ETH)
ຊͰऔѻ͞Ε͍ͯΔ
ήʔϜࢿ࢈ͷՁΛܾΊΔͷ MCHͰɺ֤ήʔϜࢿ࢈ʹ͓͚Δൃߦ্ݶΛܾΊ͍ͯΔ HeroλΠϓ ৫ా৴10ମݶఆͰൢച͠ɺ9ମ͕ߪೖ͞Εͨɻ Ҏ߱ɺ9ମΑΓଟ͘ൃߦʹͰ͖ͳ͍Α͏SmartContractϓϩ άϥϜ ͜ΕʹΑΓɺࡍݶͳ͘ൃߦ͞Εͳ͍ͱ͍͏อূ͕͋Δ ϒϩοΫνΣʔϯʹΑͬͯӡӦෆਖ਼͕Ͱ͖ͣɺϢʔβʔ͕҆৺ Ͱ͖Δ
։ൃऀ͔ΒΈͨEthereumͷϝϦοτ EthereumΛ͍ͬͯΔਓެ։伴҉߸Λඞͣར༻͍ͯ͠Δͨ ΊɺEthereum Addressͱ͍͏ΞΧϯτͱެ։伴҉߸Λͬ ͨೝূػೳ͕ར༻Ͱ͖Δɻ ύϒϦοΫϒϩοΫνΣʔϯͰ͋ΔEthereumʹ͓͚Δࢧ͍ վ͟ΜࠔͰ͋Γɺܾࡁج൫ͱͯ͠ඇৗʹ৴པͰ͖Δ ैདྷͷϓϥοτϑΥʔϜ͕୲͍ͬͯΔೝূͱܾࡁͷػೳ͕ඇ ৗʹίετͰར༻Ͱ͖Δ
ήʔϜ։ൃʹ͓͚ΔEthereumͷ՝ ࢄ߹ҙͷΈΛ࣮ݱ͢ΔͨΊʹɺ1τϥϯβΫγϣϯ͕ ௨Δ·Ͱͷ͍࣌ؒɻEthereum 15ඵͰ1ϒϩοΫੜ τϥϯβΫγϣϯ͝ͱʹखྉ͕͔͔Δɻෳࡶͳॲཧ΄Ͳଟ ͘ͷखྉ͕ඞཁɻ ϒϩοΫʹؚΉ͜ͱͷͰ͖Δॲཧྔܾ·͍ͬͯΔͷͰݶ ք͕͋Δɻ ήʔϜͷΑ͏ͳαʔϏεͰɺखྉɺॲཧɺUXͷ໘ ͔ΒEthereum্Ͱͯ͢ͷॲཧΛߦ͏ͷݱ࣮తͰͳ͍
ݱࡏͷϒϩοΫνΣʔϯήʔϜγεςϜ
ΦϯνΣʔϯͰ࣮ͯ͠Έͨ αΠυνΣʔϯٕज़Λ࠾༻͠ɺEthereumͱಉ͡SolidityΛͬͯήʔ ϜΛ࣮ EthereumΑΓѹతʹ͍ϓϩδΣΫτͰ͋ͬͨɺɺ͕ɺ 1ότϧΛ࣮ߦ͢Δͷʹ10ඵఔ͔͔Γɺͦͷؒଞͷॲཧ͕શͯϒ ϩοΫ͍ͯͨ͠ සͷߴ͍SmartContractؒͰݺͼग़͕͋͠ΔͱϒϩοΫͯ͠͠·͏ ͜ΕطଘͷγϟʔσΟϯάٕज़Ͱղܾ͕͍͠ ৄ͘͠ https://mch.gg/hicon2018
ΦϑνΣʔϯͱͷϋΠϒϦου ͯ͢ΛϒϩοΫνΣʔϯ্Ͱ࣮ߦ͢Δͷݱ࣮తͰͳ͍ ݱࡏͷEthereumͱϕʔεͱͨ͠ϒϩοΫνΣʔϯͰෳࡶͳ ॲཧෆՄೳ ϒϩοΫνΣʔϯήʔϜʹͱͬͯॏཁͳใͷΈΛϒϩοΫ νΣʔϯͰཧ͠ɺͦΕҎ֎େʹΦϑνΣʔϯԽ͢Δ
ϒϩοΫνΣʔϯήʔϜʹͱͬͯԿ͕ॏཁ͔ ͳʹ͕ॏཁ͔ɺͳʹΛϒϩοΫνΣʔϯͰཧ͖͔͢ Ξηοτͷʮॴ༗ใʯ ETHΛܾͬͨࡁػೳ ΦϑνΣʔϯΞηοτΛ͏ͱͯ͠࡞ ʮΞηοτத৺ͷઃܭʯ
My Crypto Heroesͷߏਤ &UIFSFVN 6TFS ήʔϜࢿ࢈ͷॴ༗ใ Ϣʔβʔʹ͋Δ ॴ༗ใΛ֬ೝ ήʔϜࢿ࢈Λ༻͍ͯ ήʔϜͰ༡Ϳ
ࢿ࢈ΛҭͯΔ MyCryotoHeroesͰ ɾήʔϜࢿ࢈Λͬͨ༡ͼͷఏڙ ɾETHʹΑΓήʔϜ௨՟Λൢച ɾ৽͍͠ήʔϜࢿ࢈ͷ༩ɺൢച ɾήʔϜࢿ࢈ΞʔτΛ༩
ERC721ͱΤίγεςϜ
ERC721ͱ CryptoKittiesνʔϜΛத৺ʹࡦఆ͞ΕͨEthereumͰར༻Ͱ͖Δ Non-Fungible TokenʢNFTʣͷ༷͓ΑͼΠϯλʔϑΣʔε ௨՟Ͱͳ͘ήʔϜͷΞΠςϜͳͲɺସੑͷͳ͍ͷΛѻ͑ Δ ݘݘͰɺզ͕Ոͷϙνͱ͓ྡͷλϩସੑ͕ͳ͍ ERC721ΠϯλʔϑΣʔεຬͨ͢͜ͱͰɺΦʔϓϯʹͦͷNFT Λར༻Ͱ͖ΔΑ͏ʹͳΔ
ΤίγεςϜ ERC721ͱ༷Λ௨ͯࣗ͠༝ʹར༻Մೳ ERC721ରԠͷNFTऔҾॴͰ͋ΕՃରԠෆཁͰྲྀ௨ ERC721Λར༻ͨ͠ήʔϜγεςϜͰར༻ɺද͕ࣔͰ͖Δ ήʔϜ։ൃऀʹͱͬͯ͋ΔఔރΕͨERC721Λ࠾༻͢Δͩ ͚Ͱউखʹ·ͬͯ͘ΕΔ
ΞηοτऔҾॴ Ξηοτར༻ ίϯςϯπ࡞ऀ ERC721 ERC-721ΤίγεςϜ
ϒϩοΫνΣʔϯήʔϜͷະདྷ
TwitterͰϢʔβʔʹΞϯέʔτ
ࠓޙͲ͏ͳΔͷ͔ ҉߸ࢿ࢈ͷ֦͕Γͱͱʹࢢ֦େ ήʔϜͷϦονԽɺήʔϜੑͷڧԽɺ༗໊IPͷࢀೖ֬ఆ࿏ઢ ͔͠͠ɺΞηοτΛ࣠ͱͨ͠ΤίγεςϜมΘΒͳ͍ ͜ΕطଘͷήʔϜ͔Β͢ͰʹมԽͯ͠͠·ͬͨͷ Ϣʔβʔ͢ͰʹϒϩοΫνΣʔϯͷՁʹؾ͍͍ͮͯΔ
MCH HackathonΛ։࠵ MCHͷήʔϜࢿ࢈Λྲྀ༻ͯ͠ɺϢʔβʔ͕ࣗ࡞Λ࡞Δ ϋοΧιϯΛ։࠵ ήʔϜࢿ࢈Λ༻ͨ͠ϛχήʔϜͳͲ͕࡞͞Εͨ
ࢦ͍ͯ͠Δͷ Ξηοτͷ૬ޓར༻Λଅਐ͢Δ ڰΛ͛Δ MCHͰഓͬͨϊϋΛΦʔϓϯԽ͍͖͍ͯͨ͠ ύʔτφʔاۀʹϊϋΈΛఏڙ͍ͯ͠Δ ڝ߹Ͱͳ͘ಉ͡ϒϩοΫνΣʔϯήʔϜΛ͛Δؒͱ͠ ͯڠྗ͍͖͍ͯͨ͠
RE-BUILDING THE FUTURE OF GAMING WITH BLOCKCHAIN TECHNOLOGY
ิ: ϒϩοΫνΣʔϯͱ ͋ΔΞΧϯτ͔Βͷ໋ྩʹެ։伴҉߸Λར༻ͨ͠ిࢠॺ໊Λ͚τϥϯ βΫγϣϯΛ࡞͢Δ ʮલϒϩοΫใʯͱʮෳͷτϥϯβΫγϣϯʯͱʮϥϯμϜͳʯͱ Λ·ͱΊͯϒϩοΫͱ͢Δ ϒϩοΫͷϋογϡ͕͋Δ݅ΛຬͨͤϒϩοΫੜ͞Εɺੜऀ ʹΠϯηϯςΟϒ͕ൃੜ͢Δ ݅Λຬͨ͢ʮϥϯμϜͳʯΛٻΊΔ͜ͱΛϚΠχϯάͱݺͿ ϒϩοΫʹඞͣʮલϒϩοΫใʯΛؚ·ͤΔ͜ͱͰνΣʔϯΛܗ
͠ɺվ͟Μ͕ࠔͱ͢Δ͜ͱ͕Ͱ͖Δ
ิ: ϒϩοΫνΣʔϯͷछྨ ύϒϦοΫνΣʔϯ ୭ͰࢀՃͰ͖ɺදͷͳ͍ωοτϫʔΫ ࢀՃऀͷ߹ҙʹΑͬͯํܾఆ ϓϥΠϕʔτνΣʔϯ εέʔϥϏϦςΟΛಘΔͨΊকདྷͷύϒϦοΫԽΛఆͯ͠ߏங ๏త؍ɺͦͦύϒϦοΫੑ͕ඞཁͳ͍ாͱͯ͠ར༻ ίϯιʔγΞϜνΣʔϯ ͋ΔఔͷࣄۀऀؒͰνΣʔϯΛߏங
Մ༻ੑվ͟ΜࠔͳརΛ׆͔͠ͳ͕ΒɺνΣʔϯͷํ߹ҙ༰қ
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ิ: WalletΞϓϦ PCϒϥβ֦ு Metamask, Dapper ϞόΠϧΞϓϦ Trust, TokenPocket, GoWallet ϞόΠϧϓϦΠϯ
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