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blockchain-security-exploration

Bart Roorda

@bartroorda

Entrepreneur and software developer, intrigued everyday by the speed of developments in blockchain space.

 

#blockchain #foss

Marc Buma

Industrial, IOT and blockchain software development & consultant.

 

 

#blockchain #iot

You

......................................................................................................

 

#surf #security

how many have used a cryptocurrency like bitcoin,
at least once?

how many do own bitcoin at this moment,


or any other cryptocurrency?

what made you interested in this session?

09:30 - 11:30

Bitcoin & friends:
an overview

 

Do a transaction on Ethereum network

 

What just happened? Follow the steps in the blockchain

The crypto landscape & security

 

Short break

 

Interact with a real smart contracts

 

Q&A

Bitcoin & friends:
an overview

 

Do a transaction on Ethereum network

 

What just happened? Follow the steps in the blockchain

The crypto landscape & security

 

Short break

 

Interact with a real smart contracts

 

Q&A

bitcoin & blockchain

Bitcoin & friends: an overview

https://bitcoin.org/bitcoin.pdf

Bitcoin

2008

"peer to peer, electronic cash"

Bitcoin

2008

the first blockchain

double spending

mined in blocks

distributed

ledger

replacement of trust through institutions

 

to trust through networks

evolution of coins

Bitcoin & friends: an overview

Bitcoin

2008

 

block time: 10 minutes

hashing algorithm: SHA-256

total supply: 21 million

mining is processor intensive

Litecoin

2011

the 'silver' to bitcoin's 'gold'

 

block time: 2.5 minute

hashing algorithm: scrypt

total supply: 84 million

mining is memory intensive

NXT

2013

cryptocurrency and payment network 

 

consensus method: proof of stake

total supply: no limit


 

 

 

"flexible platform for building applications and financial services"

DASH

2014

anonymous, instant payments

Monero

2014

private, and untraceable cryptocurrency

 Namecoin

2011

"decentralized secure names"
domain names (DNS) and identity

Ethereum

2013..2015

 distributed computing platform and operating system

use cases

money has become a more abstract form of value

steemit, owner of data

utility tokens

disk space

cpu/gpu power

Bitcoin & other cryptocurrencies, blockchain in general

 

Do a transaction on Ethereum network

 

Review your transaction in the blockchain

The crypto landscape & security

 

Short break

 

Interact with a real smart contracts

 

Q&A

... hand outs

Bitcoin & other cryptocurrencies, blockchain in general

 

Do a transaction on Ethereum network

 

Review your transaction in the blockchain

The crypto landscape & security


Short break


Interact with a real smart contracts


Q&A

Optionally: Show the basics of blockchain transactions using stills of youtube.com/watch?v=Lx9zgZCMqXE

Bitcoin & other cryptocurrencies, blockchain in general

 

Do a transaction on Ethereum network

 

Review your transaction in the blockchain

The crypto landscape & security

 

Short break

 

Interact with a real smart contracts

 

Q&A

private key

cheese cool crowd dash device draw effort episode expect famous few fiber

wallet

i.e. MyEtherWallet

exchange

EUR => BTC

network speed

market value

Bitcoin & other cryptocurrencies, blockchain in general

 

HaDo a transaction on Ethereum network

 

Review your transaction in the blockchain

The crypto landscape & security

 

Short break

 

Interact with a real smart contracts

 

Q&A

In Mission 2:

  • voorbeeld van smart contract
  • weergave solidity code in de blockchain explorer
  • aanroepen functies met test ether -> zie het resultaat

Global overview: Bitcoin & other cryptocurrencies, blockchain in general

 

Hands on: Do a transaction on Ethereum network

 

Review: See your transaction in the blockchain

The crypto landscape & security

 

Short break

 

Interact with a real smart contracts

 

Q&A

thanks!

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DeepDive.training | blockchain-security-exploration

By Bart

DeepDive.training | blockchain-security-exploration

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