02 - Introduction part 2

Overview

• Description:: continuation of introduction

Smart contracts (again)

Mere pieces of code!

If you want to invoke a smart contract you use a transaction! (metaphor: cheque)

The blockchain is just a sequence of sliced ladders.

Create a new smart contract

• To deploy a new smart contract we begin our transaction with our data in a payload to an empty address (pick by a protocol, we don’t handle it).

• A new smart contract account will be created.

• From now on, everytime someone wants to execute that code will pay that address.

• The code needs to be complicated (fees)!

• The code is half public and half not.

Web3.0

• classic client-server infrastructure with smart contracts behind