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 = 0.30000000000000004

Blacklisting:

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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