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Lightning_ecosystem_HashHub20180721.pdf
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Takaya Imai
July 21, 2018
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Lightning_ecosystem_HashHub20180721.pdf
Takaya Imai
July 21, 2018
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Transcript
-JHIUOJOHΤίγεςϜͷ ࠷લઢ +VM )BTI)VC$POGFSFODF ϑϩϯςΟΞύʔτφʔζ߹ಉձࣾɹද$&0 ࠓҪਸ
ࣗݾհ ϑϩϯςΟΞύʔτφʔζ߹ಉձࣾ දCEO United Bitcoiners Inc. ڞಉۀऀˍऔకCTO ϚελϦϯάϏοτίΠϯɺ༁ऀද ੈքͰॳΊͯͷɺຊޠʹΑΔϏοτίΠϯɾϒϩοΫ νΣʔϯͷৄࡉٕज़ॻ
શମͷׂ̕Λ༁ 2016/7/14ग़൛ ిࢠॻ੶൛(kindle) ΦʔϓϯΤσΟγϣϯ൛ https://www.bitcoinbook.info ౦ژେֶ٬һݚڀһ
όοΫάϥϯυ ৽ׁେֶେֶӃɹૉཻࢠཧཧɹത࢜(ཧ) ΧΧΫίϜ ݕࡧΤϯδϯ։ൃɹݕࡧαʔόΫϥελߏஙӡ༻ɹେنσʔλ ॲཧɹػցֶशɹը૾ೝࣝ σʔλλϫʔגࣜձࣾɹදऔక ࣗݾհ
ηΧϯυϨΠϠʔɺΦϑνΣʔϯٕज़͕ Ͳ͏͍͏ํʹߦ͔͘ɺ ݱঢ়Λ౿·͑ͯࣗͳΓͷߟ͑Λग़ͯ͠ ߦ͖·͢
ͳͥ͜ͷ෦ʹ ڵຯΛ͍࣋ͬͯΔ͔ ผͷػձʹ
-JHIUOJOH)BDLEBZ
None
0⒎DIBJOXPSLTIPQ
w -JHIUOJOH/FUXPSL w .VMUJ)PQ-PDLT w Y$SPX1SPUPDPM w %JTDSFFU-PH$POUSBDUT w 4QFFEZ.VSNVST
w 5SVF#JU w 3BJEFO/FUXPSL w 1*4" ΦϑνΣʔϯํͷٕज़తਐల͕ ༷ʑͳํ͔Βى͖͖͍ͯͯΔ w -JRVJE/FUXPSL w 5FFDIBJO w 1&36/
രൃతʹٕज़ਐల͕ Ճ͢ΔҰาखલ
ϝΠϯωοτ ϦΞϧͳ͓͕ۚྲྀΕΔϥΠτχϯάωοτϫʔΫ 20183݄22
ϝΠϯωοτ 20187݄19 ϦΞϧͳ͓͕ۚྲྀΕΔϥΠτχϯάωοτϫʔΫ
͋ͱ̎ w ٕज़తʹ࣮༻ʹ͑ΔΑ͏ʹͳΔ·Ͱɺগͳ͘ ͯ͋ͱ͔͔̍Δ w ͦΕͱલޙͯ͠গͣͭ͠Ϗδωεར༻͕࢝·Δ ͕ɺطଘϏδωεͷஔ͖͑ͦΕ΄Ͳଟ͘ͳ ͍ w Ϗδωεར༻͕ʹͳΓ࢝ΊΔʹɺগͳ͘
ͱ͔͔̎Δ
ࠓ͜͜ͰΔ͖͜ͱ w -JHIUOJOH/FUXPSL3'$ʹਫ਼௨ͨ͠ΤϯδχΞ Λ૿͢ w -"QQT -JHIUOJOH/FUXPSLΞϓϦ ͷࢼߦࡨޡ Λ܁ΓฦͤΔڥΛ࡞Δ w
͜ΕΛ௨ͯ͠ɺ)551ͷΑ͏ͳ؆қϓϩτίϧ ͷσϑΝΫτ͕Ͱ͖͍ͯͬͨΒ͍͍ͱࢥ͏
ΦϑνΣʔϯΞΧσϛʔ
ΦϑνΣʔϯΞΧσϛʔ
ࠓ͜͜ͰΔ͖͜ͱ w -JHIUOJOH/FUXPSL3'$ʹਫ਼௨ͨ͠ΤϯδχΞ Λ૿͢ w -"QQT -JHIUOJOH/FUXPSLΞϓϦ ͷࢼߦࡨޡ Λ܁ΓฦͤΔڥΛ࡞Δ w
͜ΕΛ௨ͯ͠ɺ)551ͷΑ͏ͳ؆қϓϩτίϧ ͷσϑΝΫτ͕Ͱ͖͍ͯͬͨΒ͍͍ͱࢥ͏
֊ߏରԠؔ Blockchains Lightning Payment Channel Routing Algorithm Atomic Multi-Path Payments
??? ཧ ϦϯΫ ωοτϫʔΫ τϥϯεϙʔτ ΞϓϦέʔγϣϯ Sphinx ϓϨθϯςʔγϣϯ ϥΠτχϯά Πϯλʔωοτ HTLC ηογϣϯ
֊ߏରԠؔ OSIࢀরϞσϧͱΠϯλʔωοτͷߏΛͦͷ··ରൺͰ͖ ͳ͍ͷͷɺΞϓϦέʔγϣϯϨΠϠʔ෦͕·ͩΓͳ͍ɻ ͜͜Լͷ֊ͷৄࡉΛΒͳͯ͘ɺαΫοͱϥΠτχϯά ωοτϫʔΫΛ͑ΔΑ͏ʹ͢Δϓϩτίϧ͕དྷΔɻ ݸʑͷ֊ɺҰࣾಠͰͳ͘ݸʑ͕όϥόϥʹಈ͘ͷ͕ ·͍͠ɻͱ͍͏ͷɺΈ߹Θͤͷํ͕ࣗ༝ʹͳΓԠ༻ൣғ ͕രൃతʹ͘ͳΔ͔ΒɻҰ͚ࣾͩͩͱͦͷձࣾͷརӹʹҾͬ ுΒΕͯരൃతʹΘΕΔΑ͏ʹͳΒͳ͍ɻ
֊ߏରԠؔ Lightning Payment ChannelҎԼͷ̎ͭͳͲෳ͕ࠞࡏ͢Δ ܗʹͳΓͦ͏ɻ L2 Penalty eltoo Routing AlgorithmҎԼ̏ͭେผ͞Εɺ։ൃ͕ਐΜͰߦ͘
੩తωοτϫʔΫͰͷ࠷దϧʔτ୳ࡧ ωοτϫʔΫͷޮతߏΞϧΰϦζϜ հखྉͷ࠷దԽΞϧΰϦζϜ
#MPDLDIBJO DPOOFDUFEUP #JUDPJO ;DBTI #MPDLDIBJO &UIFSFVN #MPDLDIBJO #JUDPJO #MPDLDIBJO ʜ
-JHIUOJOH/FUXPSL "UPNJD 4XBQ 1BZQBM 7JTB *OUFS#MPDLDIBJO #MPDLDIBJO DPOOFDUFEUP TPNF CMPDLDIBJOT 3BJEFO/FUXPSL ΦϯνΣʔϯଆ ΦϑνΣʔϯଆ 4JEFDIBJO ϒϩοΫνΣʔϯ֎ ֤ٕज़ͷؔ࿈Πϝʔδ *OUFSMFEHFS
͍ͯ͠Δ ϥΠτχϯάٕज़ϓϩδΣΫτ Atomic Multi-Path Payments(ෆՄͳෳܦ࿏ࢧ͍ɺϥΠτχϯάωοτϫʔΫ ඇதԝूݖԽ/ଟֹૹۚ) b+l wallet (ड͕ۚͰ͖Δݱࡏ།ҰͷϥΠτχϯάΥϨοτ) eltoo(νϟωϧߋ৽ͷγϯϓϧԽ)
Splicing(νϟωϧσϙδοτͷಈతมߋ) Data Loss Protection(νϟωϧঢ়ଶͷอଘ) Olympus Server(νϟωϧঢ়ଶͷόοΫΞοϓࢄҕୗͱҕΠϯηϯςΟϒઃܭ) Outsourcing WatchTower (τϥϯβΫγϣϯࢹͷ֎෦Խ/ҕୗ) Atomic Swap(ϥΠτχϯάΛͬͨϒϩοΫνΣʔϯؒෆՄίΠϯަ) Streaming Payments (ϥΠτχϯάૹۚͷ͞ΒͳΔޮԽɺૹۚϧʔτҰճҰճด ͣ͡ʹϧʔτΛ͍ճ͢)
'JO