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blockchain beyond the hype -what we learned since 2017
Jan Paul Buchwald, Jochen Kaßberger
51nodes GmbH
Stuttgart, 10.05.2019
Stuck at the end of the peak
https://www.gartner.com
Overview – What is Blockchain?
Blockchain – Distributed Ledger
"an open, distributed ledger that can record transactions between two
parties efficiently and in a verifiable and permanent way.”Iansiti, Marco; Lakhani, Karim R. (January 2017)
”Decentralized, chronologically updated database with a network-based
consensus mechanism, used for the permanent securitization of
property rights.”Gabler Wirtschaftslexikon, translated from German
”The Slowest (and most Fascinating) Database in the World”Stefan Tilkov
Mining based Blockchain
Non-mining
Nodes Mining Nodes
Block n
Hash
Block n-1
Hash Txs
Tx Pool
Block n-2
Hash Txs
Can easily
verify validity
of existing
transactions
New Transactions
Verification of new
transactions, solving a
cryptographic puzzle to
mine new block (PoW)
Programmable Blockchain
Ethereum Smart Contracts
Adapted from https://www.sciencedirect.com/science/article/pii/S0167739X17318332
Where do we come from, where do we go?
2015 - 2019: Blockchain Community Stuttgart
8
2015 2016 2017 2018
Gründung blockLAB
Blockchain Camp WG Blockchain
Gründung Special Interest
Group Blockchain bwcon1. BC-Hackathon Stuttgart
BC-Strategie für
Baden-
Württemberg
Meetup Blockchain
Stuttgart
2019
Some of our projects…
Project: Diamond asset backed token - ERC-721 (NFT)
Value transfer and
storage
Cryptocurrencies
Crowdfunding ICOs
Tokenization (of real assets)
Token classification
https://medium.com/fabric-ventures/an-entrepreneurial-investors-take-on-the-utility-of-tokens-beyond-payment-ccef1d5bb376
1
2
3
Ethereum token standards exhaustive list
https://github.com/PhABC/ethereum-token-standards-list/blob/master/README.md
What is a non-fungible token (NFT)?
https://twitter.com/toddg777/status/965795801279512576
Asset-backed token - basic model
Asset-backed token
Money in exchange for asset ownership
Underlying Asset
• Tangible
• (Unique)
• (Identifiable)
• (Valuable)
Technical framework for a non-fungible asset-backed token
© 51nodes GmbH
Untitled Inc. token classification framework -tokenized asset
http://www.untitled-inc.com/the-token-classification-framework-a-multi-dimensional-tool-for-understanding-and-classifying-crypto-tokens/
terranets bw ConnectCapacity
▪Gas grid operator of Baden-Württemberg
▪ Process for ordering gas throughput capacities by othernetwork operators (publicutilities, companies)
▪Disclosure requirements wereenriched by storing relevant steps of the process in thepublic Ethereum main net
CC Architecture
Linux Server (virtualised)
Public Ethereum
Blockchain
Existing Systems
MS Exchange
SOAP Service
Oracle DB
Web UIAngular
REST ServiceSpring Boot
System Wallet
HTTP Servernginx
SOAP
JDBC/
JPA
SMTPweb3j
CC Token Transfers
Critical Appraisal
CON
▪ Blockchain only small part(<10%) of solution
▪Had to work aroundlimitations▪ Transaction queue
▪ Failover mechanism
▪ Admin user interface forcontrol and recovery
PRO
▪ Real-life use case
▪Goes live on Ethereum mainnet in May
▪ Potential for further usecases▪ capacity trading
▪ connect gas networkoperators from source to end consumer
Ongoing project: Tokenisation of industrial investmentgoods
What if you combine ICOs…
https://www.coindesk.com/ico-tracker
… with industrial assets?
Anleger
Industrielles Investitionsgut, integrierter Chip
Smart Contract, Blockchain
Token, Anlegerwallet
Which role will the Stuttgart region play?
24
Further Projects and Topics
Mileage2blockchain: trustable vehicle mileage
Blockchain-based Digital Rights Management
Tokenization of Real Estate
Study Blockchain in Supply
Chain Management
Concept for Blockchain based
traceability of Intellectual Property
Review of Mobility Platform
Prototype based on Stellar
…
Where does blockchain make sense?
“[…] the ability to create something that is not duplicable in the digital
world has enormous value.”Eric Schmidt, CEO of Google
Solving the double spend problem
The 3 dimensions of blockchain innovation
imutableledger
decentral, P2P network
consensusalgorythem
cryptography
tokenisation
incentivation
open-source
communitydriventechnology
governance
„internet ofvalue“
cryptocurrencies
protocolleconomy
2. social3. economical
1. technological
blockchain-technology
Blockchain P2P networks as future economicinfrastructure?
Blockchain-basierter
Integration Ledger
Service Service Service
BörseAsset
Asset
Asset
Solarm
.
1 2 3
https://medium.com/the-
blockchain-consumer/heres-my-
ongoing-exploration-of-blockchain-
fat-protocols-1aaf53e0b69d
Outlook and Current Trends
Blockchain/DLT Implementations
2nd generation
3rd generation
DAG based
Blockchain inspired enterprise
ledgers
Second Layer Technologies
▪ Smart solutions on top of existing base blockchain
State ChannelsLightning Network (BTC)
Raiden (ETH)
Counterfactual (ETH)
Side ChainsPlasma (ETH)
POA Network (ETH)
Blockchain PlatformsRSK / Rootstock (Bitcoin)
Blockstream Elements (Bitcoin)
Agoric (ETH)Off-Chain ComputationTrueBit (ETH)
Ethereum 2.0
▪ Series of updates to Ethereum to make it faster and better
▪ Final stage Serenity 2019-2021
Proof of Stake (PoS)Beacon Chain, Casper FFG
Sharding
eWASM
Blockchain Bridging
Relay ChainParachains
Bridges
Validators
Collators
https://polkadot.network/technology.html
https://cosmos.network/intro
Thank you
Questions ?
&
Discussion !
Jan Paul Buchwald
Jochen Kaßberger
51nodes GmbH Stuttgart
https://www.51nodes.io
Backup
Blockchain in the Stuttgart Region
Source: www.blocklab.de
What is a token?
Ethereum tokens can represent anything from a physical object like gold(Digix) to a native currency used to pay transaction fees (Golem).
The properties and functions of each token are entirely subject to itsintended use.
https://blog.coinbase.com/a-beginners-guide-to-ethereum-tokens-fbd5611fe30b
Remember? Development of the World Wide Web
https://de.wikipedia.org/wiki/Akustikkoppler#/media/File:Acoustic_modem_and_phone_plugged.jpg
1989
Akustikkoppler Typ AM211
2019
https://www.networkworld.com/article/3247775/servers/facebook-and-amazon-are-causing-a-memory-shortage.html
https://www.pexels.com/photo/uber-smartphone-iphone-app-34239/
Where will blockchain be in 30 years?
https://bitcoin.org/bitcoin.pdf
2008 2038
