Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Speaker Deck
PRO
Sign in
Sign up
for free
ビヨンドブロックチェーン基礎 / Beyond Blockchain Basics
Kenji Saito
PRO
April 07, 2021
Technology
1
18
ビヨンドブロックチェーン基礎 / Beyond Blockchain Basics
2021年4月7日(水)、ブロックチェーンハブ主催のブロックチェーンアカデミー「ビヨンドブロックチェーン基礎」にて使用したスライドです。
Kenji Saito
PRO
April 07, 2021
Tweet
Share
More Decks by Kenji Saito
See All by Kenji Saito
ks91
PRO
0
10
ks91
PRO
0
7
ks91
PRO
0
20
ks91
PRO
0
43
ks91
PRO
0
69
ks91
PRO
1
39
ks91
PRO
0
280
ks91
PRO
1
44
ks91
PRO
0
58
Other Decks in Technology
See All in Technology
yuhta28
0
130
yuuu
0
120
ishiayaya
PRO
0
780
opelab
1
430
hmatsu47
1
150
comucal
PRO
0
260
nghialv
2
240
yuu26
1
1k
jaguar_imo
0
110
yoku0825
PRO
2
510
tutsunom
1
320
gracia
0
830
Featured
See All Featured
cassininazir
347
20k
frogandcode
128
20k
jponch
103
5.1k
michaelherold
226
8.6k
hursman
107
9.3k
lara
16
2.8k
andyhume
64
3.8k
trishagee
24
3k
moore
125
21k
lara
172
9.7k
destraynor
146
19k
hatefulcrawdad
257
17k
Transcript
Chief Science Officer / ks91@blockchainhub.co.jp — — 2021-04-07 – p.1/32
https://speakerdeck.com/ks91 — — 2021-04-07 – p.2/32
( ) SFC ( ) CSO (Chief Science Officer) 1993
( ) 2006 ( ) SFC 20 P2P (Peer-to-Peer) ( 2019 9 ) 2011 2018 2019 2021 VR( ) → ( ) — — 2021-04-07 – p.3/32
Beyond Blockchain One (BBc-1) — — 2021-04-07 – p.4/32
Beyond Blockchain One (BBc-1) — — 2021-04-07 – p.5/32
— — 2021-04-07 – p.6/32
(BP : Blockchain Property ) BP-1 : BP-2 : BP-3
: ( ) ( ) BP-2 permissionless ( ) permissioned ( ) BP-2’ : — — 2021-04-07 – p.7/32
( ) (1) (2) (3) (4) ( ) (BP-2 )
state machine replication BP-3 ( : ( )) ( ) — — 2021-04-07 – p.8/32
1 : ( ) 2 : ( ) ⇒ (
) ( ) ( ) ( ) ( ) → — — 2021-04-07 – p.9/32
/ ( ) Bitcoin ( ) Open Assets Protocol (OAP)
( ) Ethereum ( ) ( ) Polkadot relay chain (parachains ↓ ) ( ) ( ) Hyperledger (Linux Foundation) Fabric (IBM/DAH), Sawtooth (Intel), Iroha ( ), Indy (Sovrin) Corda (R3), BBc-1 ( ) — — 2021-04-07 – p.10/32
/ ਖ਼ੑͷอূ ྫ6590ߏͱσδλϧॺ໊ ଘࡏੑͷূ໌ ྫ࡞ۀূ໌͖ϋογϡνΣʔϯ །Ұੑͷ߹ҙ ྫφΧϞτɾίϯηϯαε ϧʔϧͷهड़ ྫ#5$ͷҠస ɾ
τϥϯβΫγϣϯͷ༰͕վ͟ΜͰ͖ͣɺ ɾ ͦͷΞηοτʹؔ͢ΔաڈͷτϥϯβΫγϣϯྻʹরΒͯ͠ໃ६͕ͳ͘ɺ ɾ ͔ͭɺਖ਼ͳϢʔβʹΑΓೖ͞Ε͍ͯΔ͜ͱΛอূ͢Δ ɾաڈʹ͋ͬͨτϥϯβΫγϣϯͷূڌΛຣফͰ͖ͣɺ ɾ ͔ͭɺաڈʹͳ͔ͬͨτϥϯβΫγϣϯͷূڌΛ፻Ͱ͖ͳ͍ ɾໃ६͢Δ;ͨͭͷτϥϯβΫγϣϯ͕ೖ͞Εͨ߹ɺ ɹ ͍ͣΕ ؔ༩͢Δશһ͕ಉ͡ยํΛબΜͰྺ࢙ͷதʹҐஔ͚ͮΔ ɾΞϓϦέʔγϣϯϩδοΫ Կ͕ਖ਼͍͠τϥϯβΫγϣϯ͔ΛܾΊΔ — — 2021-04-07 – p.11/32
( ) ↑ (BP-2 BP-2’ ) — — 2021-04-07 –
p.12/32
( ) ( ) — — 2021-04-07 – p.13/32
( ) ( ) BP-2 ( ) — — 2021-04-07
– p.14/32
/ Bitcoin, Ethereum BBc-1 ( ) ( ) ( )
( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ެڞۭؒ ɾτϥϯβΫγϣϯͷূڌΛແؔͳྺ࢙͕อ༗ ɾͲΕ͔ͷாΛແໃ६ʹॻ͖͑ͯূڌ͕Δ τϥϯβΫγϣϯ ா υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ Ethereum ( ) — — 2021-04-07 – p.15/32
( ( )) (BP-2 : ) ( ) ( )
: ( ) ( ) ( ) BBc-1 ( ; ) — — 2021-04-07 – p.16/32
— — 2021-04-07 – p.17/32
/ ( ) ( ) ( vs. ) ( )
( ) ( ) ⇒ ( : BBc-1) : : — — 2021-04-07 – p.18/32
→ ( ) → — — 2021-04-07 – p.19/32
C V C ≥ V Bitcoin ( ) bitcoin Bitcoin
( ) Ethereum ( ) BBc-1 (PoCX) ( ) C ≥ V (proactive) (introspection ( ) ) ( ) — — 2021-04-07 – p.20/32
— — 2021-04-07 – p.21/32
Ethereum ( ) ⇒ (Casper) ( ) ⇒ ZoE (Zcash
on Ethereum) ( vs. ) ( ) ⇒ Plasma ( ) ⇒ ( ) (Benevolent Dictator For Life (BDFL)) ( ) ⇒ — — 2021-04-07 – p.22/32
DPoS (Delegated Proof of Stake) PoS Delegated ( ) stake
. . . stake stake . . . — — 2021-04-07 – p.23/32
BBc-1 ( ) ⇒ ( ) ⇒ ( vs. )
( ) ⇒ DHT ( ) ⇒ ( ) ( ) ⇒ — — 2021-04-07 – p.24/32
Beyond Blockchain One (BBc-1) https://beyond-blockchain.org https://github.com/beyond-blockchain (2017 10 31 )
office@beyond-blockchain.org — — 2021-04-07 – p.25/32
( ) — — 2021-04-07 – p.26/32
— — 2021-04-07 – p.27/32
Beyond Blockchain One (BBc-1) #JUDPJO ##D$PSF ϨοδϟʔαϒγεςϜ ΞϓϦέʔγϣϯ ͦ ͷ
ଞ ͞ · ͟ · ͳ Ξ ϓ Ϧ ͷ Մ ೳ ੑ ڞ௨ϥΠϒϥϦ ##D ։ൃ߲ Ҭ ௨ ՟ Ξ ϓ Ϧ ϙ Π ϯ τ Ξ ϓ Ϧ དྷ ྺ ূ ໌ Ξ ϓ Ϧ ʜ ॳظʹ͓͍ͯଘࡏূ໌Λґଘ ΞϯΧϦϯά ֤ϊʔυʹ͓͚Δهʹ ֤छσʔλϕʔεΛར༻Մೳ TRMJUF.Z42-ͦͷଞ%# BBc-1 σδλϧ௨՟ϥΠϒϥϦ ͦͷଞͷϥΠϒϥϦ CCDMJC 1ZUIPO (P +4 FUD ( ) ( ) — — 2021-04-07 – p.28/32
BBc-1 ਖ਼ੑͷอূ 6590 جຊߏ εςʔτཧՄ ࣝผࢠͱެ։ݤͷ ଟ༷ͳॺ໊ཁٻ υϝΠϯͰͷݕূ
αΠϯϦΫΤετ ࠴ݖͱͯ͠ͷΞηοτ #Z[BOUJOF1BYPT োੑ ωΠςΟϒ௨՟Λͨͳ͍ υϝΠϯ࣏ࣗ υϝΠϯؒͷཤྺަࠩʹΑΔίϯςΩετূ໌ ॳظʹ͓͍ͯϒϩοΫνΣʔϯͷΞϯΧϦϯά ଘࡏੑͷূ໌ །Ұੑͷ߹ҙ Ψόφϯε — — 2021-04-07 – p.29/32
BBc-1 — — 2021-04-07 – p.30/32
BBc Trust ( ) — https://beyond-blockchain.org/public/bbc-trust.pdf — https://beyond-blockchain.org/public/bbc-trust_ja.pdf Design Paper
(white paper) ( revision 0.2) — https://beyond-blockchain.org/public/bbc1-design-paper.pdf gihyo.jp ∼BBc-1 Beyond Blockchain One — https://gihyo.jp/dev/serial/01/bbc1 — — 2021-04-07 – p.31/32
— — 2021-04-07 – p.32/32