Ethereum Homestead Documentation This documentation is the result of an ongoing collaborative effort by volunteers from the Ethereum .Although it has not been authorized by the , we hope you will find it useful.We welcome new .Contents Introduction What is Ethereum?A next generation blockchain Ethereum Virtual Machine How does Ethereum work?Learn about Ethereum How to use this guide?Using Ethereum: The Basics The Homestead Release Milestones of the Ethereum development roadmap Homestead hard fork changes Web 3: A platform for decentralized apps Smart contracts DAO History of Ethereum Inception The Ethereum Foundation and the ether presale ETH/DEV and Ethereum development DEVCON-0 DEVgrants program Olympic testnet, bug bounty and security audit The Ethereum Frontier launch DEVCON-1 History resources Community Reddit Stack Exchange Gitter Rooms Ethereum Improvement Proposals (EIPs) Meetups Obsolete Skype Ethereum Forum The Ethereum Foundation Ethereum Foundation’s faces to the community Contributors Ethereum Clients Choosing a client Why are there multiple Ethereum clients?

What should I install on my desktop/laptop?What should I install on my mobile/tablet?What should I install on my SBC?Interacting with Clients cpp-ethereum Quick Start Details Current status Building from source Installing binaries Contributing Architecture Portability Running go-ethereum pyethapp ethereumjs-lib Ethereum(J) ethereumH Parity ruby-ethereum Connecting to Ethereum Clients web3.js web3j Nethereum ethereum-ruby Account Management Accounts Keyfiles Creating an account Using Using geth console Using Mist Ethereum wallet Creating a Multi-Signature Wallet in Mist Using Eth Using EthKey (deprecated) Importing your presale wallet Using Mist Ethereum wallet Using geth Updating an account Using geth Backup and restore accounts Manual backup/restore Importing an unencrypted private key Ether What is ether?dogecoin history

Denominations Ether supply Getting ether Trustless services List of centralised exchange marketplaces Centralised fixed rate exchanges Trading and price analytics Online wallets, paper wallets, and cold storage Sending ether Gas and ether The Ethereum network Connecting to the Network The Ethereum network Ethereum network stats Public, private, and consortium blockchains How to connect Checking connectivity and ENODE IDs Download the blockchain faster Using geth Exporting/Importing the blockchain Static Nodes, Trusted Nodes, and Boot Nodes Common problems with connectivity Test Networks Morden testnet Usage Details Getting Morden testnet ether Setting up a local private testnet eth (C++ client) geth (Go client) The genesis file Command line parameters for private network Launching Pre-allocating ether to your account Mining Introduction What is mining?bitcoin farm reddit

Mining rewards Ethash DAG The algorithm CPU mining Using geth GPU mining Hardware Ubuntu Linux set-up Mac set-up Windows set-up Using ethminer with geth Using ethminer with eth Mining on a single GPU Mining on a multiple GPUs Benchmarking Pool mining Mining pools Mining resources POS vs POW Contracts and Transactions Account Types, Gas, and Transactions EOA vs contract accounts Externally owned accounts (EOAs) Contract accounts What is a transaction?cia bitcoin conspiracyWhat is a message?pwc and bitcoinEstimating transaction costs gasUsed gasPrice Example transaction cost Account interactions example - betting contract Signing transactions offline Contracts What is a contract?free bitcoin lottery hack

Ethereum high level languages Solidity Serpent LLL Mutan (deprecated) Writing a contract Compiling a contract Setting up the solidity compiler in geth Compiling a simple contract Create and deploy a contract Interacting with a contract Contract metadata Testing contracts and transactions Accessing Contracts and Transactions RPC Conventions Deploy contract Interacting with smart contracts Web3.js Console Viewing Contracts and Transactions Hosted blockchain explorers Other Resources Mix Project Editor Creating a new project Editing backend contract file Scenarios Editor Creating and setting up a new scenario Modifying initial ether balance of an account Rebuilding a scenario Creating a transaction Altering and reusing scenarios Display calls State Viewer Transaction Explorer JavaScript console Using the JS console to add transactions and local calls Transaction debugger Accessing the debug mode Toggling between debug modes and stepping through transactions Dapps deployment Code Editor Dapps Dapp directories Dapp browsers Developer Tools Dapp development resources Examples Tutorials Mix-IDE IDEs/Frameworks Ethereum-console Base layer services Whisper Swarm Ethereum Alarm Clock Ethereum Computation Market BTCRelay RANDAO The EVM Ethereum Tests Using Testeth Test Cases Blockchain Tests Basic structure Sections Optional BlockHeader Sections (Information fields) State Tests Basic structure Sections RLP Tests Basic structure Sections Difficulty Tests Basic structure Sections Transaction Tests Basic structure Sections VM Tests Basic structure Sections Web3 Base Layer Services Swarm - Decentralised data storage and distribution Whisper - Decentralised messaging Name registry Contract registry Frequently Asked Questions Questions What is Ethereum?litecoin gpu or cpu mining

I have heard of Ethereum, but what are Geth, Mist, Ethminer, Mix?How can I store big files on the blockchain?Is Ethereum based on Bitcoin?What’s the future of Ethereum?What’s the difference between account and “wallet contract”?Are keyfiles only accessible from the computer you downloaded the client on?france bitcoin hearingHow long should it take to download the blockchain?litecoin dollar chartHow do I get a list of transactions into/out of an address?bitcoin pool rankingsCan a contract pay for its execution?Can a contract call another contract?Can a transaction be signed offline and then submitted on another online device?How to get testnet Ether?Can a transaction be sent by a third party?i.e can transaction broadcasting be outsourced Can Ethereum contracts pull data using third-party APIs?