知っておくと便利!ブロックチェーンサービスで使われるAWS周辺技術

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Agenda
AWS
Blockchain

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@zabbiozabbio
Startup Solutions Architect
#database
#blockchain
#ethereum
#startup
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AWS
Blockchain

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AWS

Amazon Managed Blockchain
2018.12
Amazon Quantum Ledger Database
(QLDB)
2018.12

2017.12
AWS Blockchain Templates
2017.04

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https://aws.amazon.com/jp/partners/blockchain/

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Amazon Managed Blockchain

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Managed Blockchain9?%,

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Hyperledger Fabric

Verify
policy
Peer-n
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Transaction
simulation
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Ordering
service
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6 Transaction delivery to
peers
Transaction
proposal
1
Endorsement
signature
3
Broadcast
endorsement
4
Certificate
Authority

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Fabric Network managed by Amazon Managed Blockchain
VPC
Account A
VPC
Account B
Hyperledger Fabric Ordering Service (Orderer)
Fabric
Certificate
Authority
Peer Node
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Fabric Client Node
Fabric
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Peer Node
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Amazon VPC
PrivateLink
VPC Endpoint
VPC Endpoint
Amazon
Managed
Blockchain
Fabric Client Node

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AWS Managed Blockchain
Hyperledger Fabric96
Ordering service
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Chaincode basics
Code executed on the network, and can query and update ledger
Fabric supports chaincode in three languages:
Chaincode execute within a docker container on peer nodes
Chaincode has two operations in its interface:
• Init()—initializes the chaincode with parameters
• Invoke()—invokes the chaincode with parameters

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AWS Cloudformation

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Amazon Cloud Watch

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Starter edition and standard edition
Starter edition
• Test and small production networks
• Up to 5 members/network
• Up to 2 peer nodes/member
• bc.t3.small and bc.t3.medium
• 1 TiB maximum/peer node
• Ordering service provisioned has lower
transaction throughput and availability
than that in a Standard Edition network
Membership pricing rate is different for each
edition
Standard edition
• Production networks
• Up to 30 members/network
• Up to 10 peer nodes/member
• bc.t3, bc.m5, and bc.c5 instance families
• 15 TiB maximum/peer node
• Ordering service provisioned has higher
transaction throughput and availability
than that in a Starter Edition network

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Amazon Quantum Ledger Database
(Amazon QLDB)

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Amazon Quantum Ledger Database (QLDB)
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Amazon Quantum Ledger Database (QLDB)
2019/05 QLDBPreview

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Verifiability in Amazon QLDB
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INSERT cars
ID:1
Manufacturer: Tesla
Model: Model S
Year: 2012
VIN: 123456789
Owner: Traci Russell
Metadata: {
Date:07/16/2012
}
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INSERT cars
ID:1
Manufacturer: Tesla
Model: Model S
Year: 2012
VIN: 123456789
Metadata: {
Date:07/16/2012
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SHA-256

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INSERT cars
ID:1
Manufacturer: Tesla
Model: Model S
Year: 2012
VIN: 123456789
Metadata: {
Date:07/16/2012
}
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H(T1
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ID:1
Owner: Ronnie Nash
Metadata: {
Date:08/03/2013
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UPDATE cars
ID:1
Owner: Ronnie Nash
Metadata: {
Date:08/03/2013
}
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H(T2)=86a90e4166453d9423b84d47dcbd97c0e3099b1a1f0d7cfca6c191d8fd8994ff
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INSERT cars
ID:1
Manufacturer: Tesla
Model: Model S
Year: 2012
VIN: 123456789
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Owner: Ronnie Nash
Metadata: {
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Metadata: {
Date: 09/02/2016
}
H(T3
)

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INSERT cars
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Manufacturer: Tesla
Model: Model S
Year: 2012
VIN: 123456789
Metadata: {
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ID:1
Owner: Ronnie Nash
Metadata: {
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DELETE cars
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Metadata: {
Date: 09/02/2016
}
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H(T3)=ae2d64e562ec754ec3194c744eec72c9fdafffc6b559e0414d0e75bf96ca92ad

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More on digests
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INSERT cars
ID:1
Manufacturer: Tesla
Model: Model S
Year: 2012
VIN: 123456789
Metadata: {
Date:07/16/2012
}
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ID:1
Owner: Ronnie Nash
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Date:08/03/2013
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H(T1
DELETE cars
ID:1
Metadata: {
Date: 09/02/2016
}
H(T3
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H(T3)=ae2d64e562ec754ec3194c744eec72c9fdafffc6b559e0414d0e75bf96ca92ad

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What is verifiability?
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Cryptographic
technique
Digest
Customer, Ronnie can
verify the date Traci sold
the car to him was
indeed 7/16

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S3Export

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Announcing private preview of QLDB streaming
To get started, email: [email protected]

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Amazon Managed blockchain
Amazon QLDB

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AWS Nitro Enclave is coming soon
Sign up for the Preview
aws.amazon.com/ec2/nitro/nitro-enclaves/

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https://www.slideshare.net/AmazonWebServicesJapan/day-1-with-amazon-web-services-aws10/6

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Well-Architected Framework
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// . .

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5: AWS FinTech!"[#%9]
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AWS Blockchain Customer References

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https://speakerdeck.com/zabbio/an-hao-zi-chan-guan-li-turufalseshe-ji-tokuraudohsmfalsehuo-yong-fang-fa?slide=22

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https://speakerdeck.com/zabbio/awsfalseshang-nida-gui-mo-burotukutieninhura?slide=15

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https://www.slideshare.net/ALIS_Media/ss-159375109

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Building a Scalable, Serverless Cryptocurrency Platform

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Product tracking demo
QR Code Link How we manage the facilities

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Nestlé’s architecture

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• https://github.com/aws-samples/non-profit-
blockchain
• https://github.com/aws-samples/bank-transfer-
blockchain-reinvent2019-workshop
• https://bit.ly/35XF9Ul

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• AWS Loft Tokyo
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Tech 4/24 ( )

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Thank You

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知っておくと便利!ブロックチェーンサービスで使われるAWS周辺技術

知っておくと便利!ブロックチェーンサービスで使われるAWS周辺技術

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