Plasmaのexitの高速化についてともに考える

Transcript

1. Plasmaͷ exitͷ ߴ଎Խʹ͍ͭͯ ͱ΋ʹߟ͑Δ

2. Sg/shogochiai/@_sgtn

3. matic.network exa.earth

4. ෱ԬͰCryptoeconomics Lab ͱ͍͏ձࣾΛ͸͡Ί·ͨ͠

5. research.cryptoeconomicslab.com

6. VR-MMORPG Protocol

7. ؓ࿩ٳ୊

8. ̎िؒ

9. Plasma Exit

10. Ϣʔβʔ͕ࢠνΣʔϯ ͱͲ·Δ࡞ΓํʹͳΔ 1 conf 2 weeks

11. DEX΍ήʔϜͰ࢖͓ͬͨۚΛ΄͔Ͱ࢖͏ͷʹ ̎िؒ΋଴ͨͳ͍ͱ͍͚ͳ͍ͷ͸໰୊ 1 conf 2 weeks

12. ଞͷίϯτϥΫτΛݺ ΂ͳ͍

13. ͳΜͰࢠνΣʔϯʹ௕ډ͢Δ ϞσϧʹࢥߟΛ੍ݶ͍ͯ͠Δ ͷ͔ʁ

14. ໰͍ ϋΠεϧʔϓοτ͕ཉ͍͠ͱ͖͚ͩࢠ νΣʔϯʹग़ೖΓ͢Δͷ͸ଥ౰͔ʁ

15. exitChallengeडೖظؒ ̎िؒɹʹʼɹ10ඵ

16. 1 conf 10sec

17. Կ͕Ͱ͖ΔΑ͏ʹͳΔʁ

18. (c) Loom Network

19. ୹͍ηογϣϯͷ͚ؒͩ Plasma΁

20. 1st Plasma Root 2nd Plasma 3rd Plasma

21. ਂ͍Plasmaʹεοͱೖͬͯ ϩά౳·Ͱه࿥͢ΔΑ͏ͳ༻్ͷαʔ Ϗεʹ࢖ͬͯ ཭୤࣌΋εοͱൈ͚Δ

22. Ͳ͏΍ͬͨΒ10ඵexit Λݱ࣮ͷ΋ͷʹͰ͖Δʁ

23. A.ΊͪΌΊͪΌ৴པͰ͖Δύϫϑϧͳ challenger͕͍Δ B. ΊͪΌͪ͘Όͨ͘͞Μͷchallenger͕ ͍Δ
 
 C. Ϣʔβʔͷ৴༻ʹج͍ͮͯexitதͷTxΛ ୲อʹϧʔτνΣʔϯͰ͓ۚΛି͢

24. A.ΊͪΌΊͪΌ৴པͰ͖Δύϫϑϧͳ challenger͕͍Δ B. ΊͪΌͪ͘Όͨ͘͞Μͷchallenger͕ ͍Δ
 
 C. Ϣʔβʔͷ৴༻ʹج͍ͮͯexitதͷTxΛ ୲อʹϧʔτνΣʔϯͰ͓ۚΛି͢

25. A. ΊͪΌΊͪΌ৴པͰ͖Δύϫϑϧͳchallenger͕͍Δ 1. ϑΣσϨʔγϣϯʢෳ਺ͷexitڐՄऀʣΛ༻ҙͯ͠ exitڐՄͷͨΊʹॺ໊͢Δ 2. ۭചΓͷͨΊ౳Ͱ݁ୗ͞ΕΔͱڊֹͷෆਖ਼Ҿ͖ग़͕͠ ՄೳͱࢥΘΕΔ 3. ૬Ԡͷֹͷڙୗۚͱɺఆظతͳબڍ͕ඞཁͱࢥΘΕΔ

    4. ݁ୗΛΑΓ؇࿨͠ͳ͚Ε͹ͳΒͳ͍ 5. ࠷ѱͷέʔε͸ɺࢠνΣʔϯͷblockੜ੒͕ෆਖ਼Ͱ mass exit͍ͨ͠ͷʹɺfederation΋݁ୗͯ͠Δঢ়گ

26. A. ΊͪΌΊͪΌ৴པͰ͖Δύϫϑϧͳchallenger͕͍Δ 1. ϑΣσϨʔγϣϯʢෳ਺ͷexitڐՄऀʣΛ༻ҙͯ͠exit ڐՄͷͨΊʹॺ໊͢Δ 2. ۭചΓͷͨΊ౳Ͱ݁ୗ͞ΕΔͱڊֹͷෆਖ਼Ҿ͖ग़͕͠ ՄೳͱࢥΘΕΔ 3. ૬Ԡͷֹͷڙୗۚͱɺఆظతͳબڍ͕ඞཁͱࢥΘΕΔ

    4. ݁ୗΛΑΓ؇࿨͠ͳ͚Ε͹ͳΒͳ͍ 5. ࠷ѱͷέʔε͸ɺࢠνΣʔϯͷblockੜ੒͕ෆਖ਼Ͱ mass exit͍ͨ͠ͷʹɺfederation΋݁ୗͯ͠Δঢ়گ

27. A. ΊͪΌΊͪΌ৴པͰ͖Δύϫϑϧͳchallenger͕͍Δ 1. ϑΣσϨʔγϣϯʢෳ਺ͷexitڐՄऀʣΛ༻ҙͯ͠exit ڐՄͷͨΊʹॺ໊͢Δ 2. ۭചΓͷͨΊ౳Ͱ݁ୗ͞ΕΔͱڊֹͷෆਖ਼Ҿ͖ग़͕͠ ՄೳͱࢥΘΕΔ 3. ૬Ԡͷֹͷڙୗۚͱɺఆظతͳબڍ͕ඞཁͱࢥΘΕΔ

    4. ݁ୗΛΑΓ؇࿨͠ͳ͚Ε͹ͳΒͳ͍ 5. ࠷ѱͷέʔε͸ɺࢠνΣʔϯͷblockੜ੒͕ෆਖ਼Ͱ mass exit͍ͨ͠ͷʹɺfederation΋݁ୗͯ͠Δঢ়گ

28. A. ΊͪΌΊͪΌ৴པͰ͖Δύϫϑϧͳchallenger͕͍Δ 1. ϑΣσϨʔγϣϯʢෳ਺ͷexitڐՄऀʣΛ༻ҙͯ͠exit ڐՄͷͨΊʹॺ໊͢Δ 2. ۭചΓͷͨΊ౳Ͱ݁ୗ͞ΕΔͱڊֹͷෆਖ਼Ҿ͖ग़͕͠ ՄೳͱࢥΘΕΔ 3. ૬Ԡͷֹͷڙୗۚͱɺఆظతͳબڍ͕ඞཁͱࢥΘΕΔ

    4. ݁ୗΛΑΓ؇࿨͠ͳ͚Ε͹ͳΒͳ͍ 5. ࠷ѱͷέʔε͸ɺࢠνΣʔϯͷblockੜ੒͕ෆਖ਼Ͱ mass exit͍ͨ͠ͷʹɺfederation΋݁ୗͯ͠Δঢ়گ

29. A. ΊͪΌΊͪΌ৴པͰ͖Δύϫϑϧͳchallenger͕͍Δ 1. ϑΣσϨʔγϣϯʢෳ਺ͷexitڐՄऀʣΛ༻ҙͯ͠exit ڐՄͷͨΊʹॺ໊͢Δ 2. ۭചΓͷͨΊ౳Ͱ݁ୗ͞ΕΔͱڊֹͷෆਖ਼Ҿ͖ग़͕͠ ՄೳͱࢥΘΕΔ 3. ૬Ԡͷֹͷڙୗۚͱɺఆظతͳબڍ͕ඞཁͱࢥΘΕΔ

    4. ݁ୗΛΑΓ؇࿨͠ͳ͚Ε͹ͳΒͳ͍ 5. ࠷ѱͷέʔε͸ɺࢠνΣʔϯͷblockੜ੒͕ෆਖ਼Ͱ mass exit͍ͨ͠ͷʹɺfederation΋݁ୗͯ͠Δঢ়گ
30. None

31. EC2 t2.medium $0.0464 per 3600sec ETH $13.4 per 0.2sec ϏλϦΫࢼࢉͰ

    Φʔόʔϔου͕100ສഒҧ͏

32. ෼ݖੑΛ٘ਜ਼ʹ͢Ε͹ૣ͘ͳΔ Ͱ΋ʮෆಛఆଟ਺͕ࣗ༝ʹࢀՃ Ͱ͖ΔγεςϜʯ͸؁͘ͳ͍ɻ ԟʑʹͯ͠ʮۦ͚Ҿ͖༨஍ʯ͕ ηΩϡϦςΟ্ͷ໰୊Λى͜͢

33. In other words ʮۦ͚Ҿ͖ۭؒ͸গͳ͚Ε͹গͳ͍΄͏͕͍͍ʯ e.g. dPoSͱ͔federationͱ͔

34. A.ΊͪΌΊͪΌ৴པͰ͖Δύϫϑϧͳ challenger͕͍Δ B. ΊͪΌͪ͘Όͨ͘͞Μͷchallenger͕ ͍Δ
 
 C. Ϣʔβʔͷ৴༻ʹج͍ͮͯexitதͷTxΛ ୲อʹϧʔτνΣʔϯͰ͓ۚΛି͢

35. 1. challengerີ౓ΛߴΊΔΪϛοΫ͕ඞཁ 2. શαΠυνΣʔϯΛԣஅͯ͠validationλεΫΛϫϯε τοϓͰߦ͑ΔΞϓϦέʔγϣϯΛ४උ͢Δʢvalidation poolʣ
 3. validation pool͸શPlasmaͷσʔλΛಉظ͠ͳ͚Ε͹ͳ Βͳ͍ͷ͔ɺRPC͔ΒదٓσʔλΛऔΔ͚ͩͰࣄ଍ΓΔͷ

    ͔
 4. શPlasmaΛԣஅͨ͠validationޮ཰Խπʔϧ͕ετϨʔδ ͷؔ܎ͰෆՄೳͳΒɺchallengerΛ૿΍͢ํ޲ੑ͸ո͍͠ 5. ༨ஊ͕ͩɺ͜ͷετϨʔδͷ੍໿΍௨৴ͷෆ҆ఆ͕͋͞ ΓεϚϗΛvalidator/challengerʹ͢Δͷ͸ͱ͖ʹ೰·͍͠

36. 1. challengerີ౓ΛߴΊΔΪϛοΫ͕ඞཁ 2. શαΠυνΣʔϯΛԣஅͯ͠validationλεΫΛϫϯε τοϓͰߦ͑ΔΞϓϦέʔγϣϯΛ४උ͢Δʢvalidation poolʣ
 3. validation pool͸શPlasmaͷσʔλΛಉظ͠ͳ͚Ε͹ͳ Βͳ͍ͷ͔ɺRPC͔ΒదٓσʔλΛऔΔ͚ͩͰࣄ଍ΓΔͷ

    ͔
 4. શPlasmaΛԣஅͨ͠validationޮ཰Խπʔϧ͕ετϨʔδ ͷؔ܎ͰෆՄೳͳΒɺchallengerΛ૿΍͢ํ޲ੑ͸ո͍͠ 5. ༨ஊ͕ͩɺ͜ͷετϨʔδͷ੍໿΍௨৴ͷෆ҆ఆ͕͋͞ ΓεϚϗΛvalidator/challengerʹ͢Δͷ͸ͱ͖ʹ೰·͍͠

37. 1. challengerີ౓ΛߴΊΔΪϛοΫ͕ඞཁ 2. શαΠυνΣʔϯΛԣஅͯ͠validationλεΫΛϫϯε τοϓͰߦ͑ΔΞϓϦέʔγϣϯΛ४උ͢Δʢvalidation poolʣ
 3. validation pool͸શPlasmaͷσʔλΛಉظ͠ͳ͚Ε͹ͳ Βͳ͍ͷ͔ɺRPC͔ΒదٓσʔλΛऔΔ͚ͩͰࣄ଍ΓΔͷ

    ͔
 4. શPlasmaΛԣஅͨ͠validationޮ཰Խπʔϧ͕ετϨʔδ ͷؔ܎ͰෆՄೳͳΒɺchallengerΛ૿΍͢ํ޲ੑ͸ո͍͠ 5. ༨ஊ͕ͩɺ͜ͷετϨʔδͷ੍໿΍௨৴ͷෆ҆ఆ͕͋͞ ΓεϚϗΛvalidator/challengerʹ͢Δͷ͸ͱ͖ʹ೰·͍͠

38. 1. challengerີ౓ΛߴΊΔΪϛοΫ͕ඞཁ 2. શαΠυνΣʔϯΛԣஅͯ͠validationλεΫΛϫϯε τοϓͰߦ͑ΔΞϓϦέʔγϣϯΛ४උ͢Δʢvalidation poolʣ
 3. validation pool͸શPlasmaͷσʔλΛಉظ͠ͳ͚Ε͹ͳ Βͳ͍ͷ͔ɺRPC͔ΒదٓσʔλΛऔΔ͚ͩͰࣄ଍ΓΔͷ

    ͔
 4. શPlasmaΛԣஅͨ͠validationޮ཰Խπʔϧ͕ετϨʔδ ͷؔ܎ͰෆՄೳͳΒɺchallengerΛ૿΍͢ํ޲ੑ͸ո͍͠ 5. ༨ஊ͕ͩɺ͜ͷετϨʔδͷ੍໿΍௨৴ͷෆ҆ఆ͕͋͞ ΓεϚϗΛvalidator/challengerʹ͢Δͷ͸ͱ͖ʹ೰·͍͠

39. 1. challengerີ౓ΛߴΊΔΪϛοΫ͕ඞཁ 2. શαΠυνΣʔϯΛԣஅͯ͠validationλεΫΛϫϯε τοϓͰߦ͑ΔΞϓϦέʔγϣϯΛ४උ͢Δʢvalidation poolʣ
 3. validation pool͸શPlasmaͷσʔλΛಉظ͠ͳ͚Ε͹ͳ Βͳ͍ͷ͔ɺRPC͔ΒదٓσʔλΛऔΔ͚ͩͰࣄ଍ΓΔͷ

    ͔
 4. શPlasmaΛԣஅͨ͠validationޮ཰Խπʔϧ͕ετϨʔδ ͷؔ܎ͰෆՄೳͳΒɺchallengerΛ૿΍͢ํ޲ੑ͸ո͍͠ 5. ༨ஊ͕ͩɺ͜ͷετϨʔδͷ੍໿΍௨৴ͷෆ҆ఆ͕͋͞ ΓεϚϗΛvalidator/challengerʹ͢Δͷ͸ͱ͖ʹ೰·͍͠

40. A.ΊͪΌΊͪΌ৴པͰ͖Δύϫϑϧͳ challenger͕͍Δ B. ΊͪΌͪ͘Όͨ͘͞Μͷchallenger͕ ͍Δ
 
 C. Ϣʔβʔͷ৴༻ʹج͍ͮͯexitதͷTxΛ ୲อʹϧʔτνΣʔϯͰ͓ۚΛି͢

41. 1. ϢʔβʔͷσϑΥϧτ཰Λద౰ʹܭࢉ͢Δ 2. Exit࣌ʹͦͷexitֹΛσΟεΧ΢ϯτͨۚ͠ ֹΛି͠෇͚Δʢଈग़ۚͰ͖Δʣ 3. Exit͕׬ྃͨ͠Βͦͷ··ି෇ਓ͕ड͚औ Δ

42. 1. ϢʔβʔͷσϑΥϧτ཰Λద౰ʹܭࢉ͢Δ 2. Exit࣌ʹͦͷexitֹΛσΟεΧ΢ϯτͨۚ͠ ֹΛି͠෇͚Δʢଈग़ۚͰ͖Δʣ 3. Exit͕׬ྃͨ͠Βͦͷ··ି෇ਓ͕ड͚औ Δ

43. 1. ϢʔβʔͷσϑΥϧτ཰Λద౰ʹܭࢉ͢Δ 2. Exit࣌ʹͦͷexitֹΛσΟεΧ΢ϯτͨۚ͠ ֹΛି͠෇͚Δʢଈग़ۚͰ͖Δʣ 3. Exit͕׬ྃͨ͠Βͦͷ··ି෇ਓ͕ड͚औ Δ

44. ՝୊

45. ෆਖ਼exitʹ͓ۚΛି͍ͯͨ͠ΒʁΉ͠Ζ͓ۚΛ౿ Έ౗ͨ͢Ίʹෆਖ਼exitΛࢼΈΔ΍͕ͭ૿͑ͨΒʁ ͦ͏͍͏ਓ͸৴༻είΞ͕ͳ͍ͷͰିͤͳ͍ exit͕ૣ͘ͳΔਓ͸ݶఆత B: ϧʔτνΣʔϯͰۚΛି͢

46. ϑΣσϨʔγϣϯʹͤΑߴີ౓ʹͤΑɺ ̍݅Ͱ΋ݟಀ͕͋͠Δͱ௧͍ ͦͷࢠνΣʔϯͷͨΊʹrootchainͰlock͠ ͍ͯΔࢿ࢈͕ଟΊʹҾ͖ग़͞Ε͍ͯ͘ ࠷ޙʹexitͨ͠ਓͷͨΊͷࢿ࢈͕࢒Βͳ͍ ͷͰɺօͧͬͯͦ͜ͷνΣʔϯ͔Βಀ͛ͨ ͘ͳΔ A or C:

    ChallengerͷॲཧೳྗڧԽ

47. Cryptoeconmics

48. pBFT
 HTLC Griefing Factors
 Nakamoto Consensus

49. snario/awesome-cryptoeconomics

50. 10ඵexit͸ཧ૝͚ͩͲɺ ݱঢ়͸10෼exit·ͰͳΒཧ࿦తʹՄೳɺ ̎िؒexit͸΍Γ͗͢ ળྑͳϢʔβʔ͸௿ۚརͰି෇exit͕Ͱ͖Δ ͘Β͍ͷݴٴ͕Ͱ͖Δঢ়ଶΛ࡞Γ͍ͨ

51. ηΩϡϦςΟϞσϧΛ਺ཧత ͳಈతฏߧͰఆٛ/ఏҊ͍ͯ͠ ࣌͘୅

52. ਺ֶڧ͍Ϛϯ Έͳ͞ΜͷίϯτϦϏϡʔγϣϯΛ͓଴ͪͯ͠·͢ʂ