Wrocław Blockchain Meetup #1
Maciej Baj
Lisk
apps can run on blockchain technology
cryptocurrency
blockchain application platform
HISTORY
01.2016
Max Kordek and Oliver Beddows started Lisk- make blockchain development easy
02-03.2016
Collected over 14,000 BTC in ICO
05.2016
Alpha version release
BLOCKCHAIN
~ 1000 nodes
DPoS consensus algorithm, in which delegates take care of
block generation.
10 sec block time
101 delegates
voting system
active community
no waste power for PoW
Development
JavaScript
Node.js
PostgreSQL
OpenSource
Github
lisk
DECENTRALIZED APPLICATION
lisk
blockchain apps
JavaScript
none
sidechain
Lisk/custom token
ethereum
smart contracts
DSL (Serpent/Solidity)
EVM
mainchain
gas
dapps
type:
lang:
VM:
env:
fuel:
lISK SDK
Lisk-Node: Node.js +
sandboxing
interprocess communication: named pipes
Lisk
node.js
Lisk-node
Dapp A
Lisk-node
Dapp B
lISK SDK
Economic rules
system stakeholders
developers
delegates
peers
users
investors
Lisk sdk
SECURITY vs FLEXIBILITY
- choose network
- consensus algorithm
- delegates and peers number
- voting algorithm
- LISK vs custom token
- encrypted / public blockchain data
- blocktime
- heartbeat with mainchain
...
Lisk sdk
JavaScript determinism
0.1 + 0.2 = 0.30000000000000004Blacklisting:
functions
dependencies
Tools:
validator (debugger)
linter
generator
Documentation:
guidelines
patterns
best practices
Lisk sdk
Goals
An easy to use SDK for beginners and advanced users
Make blockchain technology more accessible
More blockchain developers and development
More blockchain (or decentralized) applications
A more decentralized and trustless world
References
Max Kordek, Lisk and Sidechains, Bitcoin San Francisco Social, 01.2017 (slide 3, 6, 9, 12)
Vitalic Buterin, Ethereum Introducing video, https://www.youtube.com/watch?v=TaD3W6E4zTQ (slide 5)
lisk.io, prices from 12.02.2017 (slide 2)
thanks
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