Ethereum Smart Contracts Tutorial | Deploying Smart Contracts | Blockchain Training | Edureka

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Agenda
ETHEREUM
ETHEREUM ACCOUNTS
ETHEREUM VIRTUAL MACHINE
DApps and DAOsSMART CONTRACTS
DEPLOYING SMART CONTRACTS

Why Ethereum?

Copyright © 2017, edureka and/or its affiliates. All rights reserved.Copyright © 2017, edureka and/or its affiliates. All rights reserved.
What is Ethereum ?

What is Ethereum?
Ethereum is an open-source, publicly distributed computing platform, featuring smart contract
functionality to build decentralized apps on top of this platform.

Ethereum Network and Token
The value token of the Ethereum blockchain
is called Ether.

What was the need of
developing Ethereum when
Bitcoin already existed ?

Comparing Ethereum and Bitcoin
Bitcoin Ethereum
Concept Digital money World Computer
Cryptocurrency Token BTC Ether
Scripting language Turing incomplete Turing complete
Consensus Algorithm SHA256 Ethash
Coin Release Method Early mining Through ICO
Average block time ~10 minutes ~12-15 seconds

EXTERNALLY OWNED
ACCOUNTS
CONTRACT
ACCOUNTS
Owned by people or organisations
Controlled by private keys
Autonomous accounts
Controlled by code </>
ETHEREUM ACCOUNTS
Types of Ethereum Accounts

Smart Contract is a computerized protocol wherein you write a standard contract rule that is immutable.
Smart Contracts
Smart contract v1.0
{
if (England wins the match):
send(10 eth, Bob)
else:
send(10eth, Andy)
def send(amt, to):
this.balance -= amt
send.balance += amt
}

What was the need to develop
a contract-specific language?
Why couldn’t we use the
already existing languages?

Solidity for Smart Contracts
Solidity is a contract-oriented, high-level
language for implementing smart contracts
on the Ethereum Virtual Machine (EVM).
SOLIDITY

Ethereum Virtual Machine

Contracts written in a smart contract-specific programming language are compiled into ‘bytecode’, which an
EVM can read and execute.
Ethereum Virtual Machine (EVM)

What’s preventing a piece
of code from running
forever and overloading
the network?
So if the EVM is running
application code….

Ethereum Gas
GAS GAS LIMIT
Gas is the unit for the amount of
computational work done by the
computer for one cycle of the contract
Gas Limit is the maximum amount of
gas the contract can use for its
computations

Deploying Smart Contracts

Ethereum Platform.
Smart Contracts.
DApps and DAOs.
Ethereum as a Platform

Decentralized Applications (DApps)
OPEN SOURCED
DECENTRALIZEDCONSENSUS MECHANISM
TOKENS

Decentralized Autonomous Organisations
▪ These are organisations that exist entirely on a
blockchain and are governed by its protocols
▪ DAOs comprise a global network of nodes and
members that all work together and create a
unison to manage their distribution

Future of Ethereum

Ethereum Accounts
Summary
Ethereum AccountsWhat is Ethereum? Smart Contracts
Future of DAppsEVM Deploy Smart Contracts
Smart ContractsEthereum Accounts

THANK YOU

Ethereum Smart Contracts Tutorial | Deploying Smart Contracts | Blockchain Training | Edureka

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Ethereum Smart Contracts Tutorial | Deploying Smart Contracts | Blockchain Training | Edureka