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The document discusses the progression of commerce from centralized to decentralized models, and how technology like the internet, blockchain, and Ethereum can further push trade towards decentralization. Specifically, it notes how early commerce was localized but is now conducted globally online through platforms like eBay, Amazon, Uber and AirBnB, which started as centralized matchmakers but their roles are becoming decentralized with many players. Ethereum aims to facilitate this by enabling trust and transactions without centralized intermediaries.
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So now we've built Ethereum, WTF is it?
So now we've built Ethereum, WTF is it?gavofyork
油
Ethereum is a decentralized computer network and platform that allows developers to build and run software applications using smart contracts. It provides a global, open infrastructure for decentralized applications. Some key points:
- Ethereum acts as a world computer that is always on, can't be censored or stopped, and is accessible anywhere there is an internet connection.
- It allows for the creation of decentralized applications that have properties like atomicity, immutability, and permanence of data.
- By removing centralized servers, Ethereum promotes principles like privacy, security, authenticity, and an open innovation environment compared to the "walled gardens" of traditional servers.
- The network aims to facilitate a transition towardsBuilding apps on the Ethereum Platform
Building apps on the Ethereum PlatformFabian Vogelsteller
油
This document provides an overview of Ethereum, a decentralized platform that allows for the creation of decentralized applications and smart contracts. Some key points covered include:
- Ethereum uses a blockchain to store an immutable record of transactions across a peer-to-peer network.
- Smart contracts are programs stored on the blockchain that execute automatically when conditions are met. They can be used to build currencies, voting systems, and other decentralized applications.
- Ether is the cryptocurrency or fuel that is required to run applications and smart contracts on Ethereum. The more computation required, the more ether is consumed.
- Examples of decentralized applications built on Ethereum include prediction markets, exchanges, and product origin trackers.The world computer general
The world computer generalgavofyork
油
Ethereum is a global computer that allows anyone to build and use decentralized applications running on blockchain technology. As a world computer, Ethereum provides guarantees of permanence, immutability, and security without centralized control. It enables a new type of internet where applications are open and accessible to everyone with an internet connection.Ethereum Devcon1 Report (summary writing)
Ethereum Devcon1 Report (summary writing)Tomoaki Sato
油
Ethereum devcon1 in London, 27th November By Tomoaki Sato I have been to the conference, so I wrote this summary and doing presentation in Japan. The meetup name is "Smart Contract Japan". Some of the presentations are missing, or added.
Please refer these official sources also
Devcon
http://devcon.ethereum.org/
Devcon1 youtube presentations
https://www.youtube.com/user/ethereumproject
Devcon1 slides on reddit
https://www.reddit.com/r/ethereum/comments/3soym7/devcon_1_slides/
Relative truth
Relative truthgavofyork
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Presentation given by Gavin Wood at the NYC Ethereum meetup on the 21st of November 2014 concerning the concept of relative truth and the need to rethink MMA system architecture with the paradigm of incomplete truth.Where can smart contracts take us?
Where can smart contracts take us?gavofyork
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Smart contracts enabled by blockchain technology can automate and improve contract enforcement by:
1) Making agreements machine-readable and executable so they can be carried out autonomously without disputes.
2) Significantly reducing inefficiencies, costs, and errors compared to traditional paper-based legal systems that rely on lawyers and institutions.
3) Allowing novel new types of micro-agreements and low-cost proofs of things like identity, ownership, and provenance by removing traditional barriers.Ethereum & Blockchain
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The document summarizes Ethereum, a decentralized platform that runs smart contracts and serves as a programmable database. It discusses how Ethereum allows for decentralized applications that do not require trusting intermediaries. Ethereum uses blockchain technology and smart contracts to enable new types of distributed organizations and economies without centralized control. The document also briefly describes several companies building applications on Ethereum, as well as Bitnation which aims to provide governance services in a decentralized manner using blockchain technology.Welcome to Ethereum
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Ethereum is transitioning through several phases of development called Olympic, Frontier, Homestead, Metropolis, and Serenity. Metropolis will include improvements to simplify VM I/O and allow dynamic storage sizes, while Serenity will transition the protocol to a proof-of-stake model. Additionally, Ethcore is working on projects like Civility for reliability, Tenuity for light clients, and Purity for the Serenity fork. The document outlines several upcoming improvements to the Ethereum protocol as it progresses towards further decentralization and scalability.Crypto-law
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Key note given at Inside Bitcoins, London 2014 on the topic of crypto-law, the potential future it has in society and why.Vcon: Introduction
Vcon: Introductiongavofyork
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Polkadot prezogavofyork
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Polkadot is a blockchain network that connects multiple blockchains together through a relay chain that coordinates consensus and transaction delivery between connected blockchains called parachains. Parachains can take various forms from proof-of-stake systems to private or permissioned chains. Validators secure the relay chain through proof-of-stake voting and validate parachains proposed by collators who bundle transactions. Validators, collators, and fishermen who monitor for misbehavior are incentivized through staking rewards. The relay chain provides pooled security, trustless transactions between parachains, and scalability through parallel validation groups.Solidity
Soliditygavofyork
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Solidity is a programming language for writing smart contracts on the Ethereum blockchain. It aims to make writing correct contracts easier by having syntax similar to JavaScript to leverage existing developer skills, expressing concepts clearly through classes for reuse, and making testing and formal proofing of contracts simpler. Solidity also includes features like an inbuilt documentation system and storage constructs to facilitate contract development and ensure contracts behave as intended.The world computer (short)
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Ethereum is a decentralized computer or worldwide computing platform that allows anyone to build and use worldwide applications that run on blockchain technology. It aims to be a trustworthy and accessible platform to enable uses like smart contracts, decentralized applications, and other programs without centralized control. Development of Ethereum began in 2013 and the system is still improving, with the goal of significantly increasing its scalability and capabilities by planned software upgrades over the next few years.Blockchain what and why-
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Blockchains provide a decentralized and trustless platform for computing by creating a shared global state through a Byzantine Fault Tolerant system of transaction verification. This allows for applications like cryptocurrencies and smart contracts that provide guarantees around atomicity, immutability, and permanent data storage. While early blockchains were limited in their capabilities, newer platforms like Ethereum enable multi-user accounts, object-oriented programming and interoperability to build a more general world computer. Blockchains reduce the need for trust between parties by diffusing it across the network.Conceptualizing Smart Contracts
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This document discusses smart contracts and blockchains. It begins by defining a blockchain as a database maintained by a network of computers not owned by any single entity that stores transaction data in blocks organized sequentially in a chain. It then discusses how blockchains enable secure, traceable, and resilient transactions without requiring trust. The document outlines some uses of blockchains like virtual currencies, managing access to records, and building self-executing smart contracts using code on a blockchain. It also discusses some types of smart contracts being developed and limitations around self-enforcement, enforceability, privacy, and autonomy of smart contracts.Blockchain, ethereum and polkadot
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Polkadot is a protocol that allows independent blockchains to interoperate by connecting them through a central relay chain. It provides pooled security, trust-free transactions between connected chains, and is entirely general to support free-form messages with theIntroduction to blockchain and smart contracts
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This document provides an introduction to smart contracts. It defines a smart contract as a program whose execution is autonomous and transparent, cannot be reverted, and has a public and immutable trace. Smart contracts can send, receive, and store money, and interact with other smart contracts or internet-connected systems. Bitcoin is described as the first smart contract, as it operates through an autonomous program on a decentralized network with public, immutable transactions. Ethereum is presented as an platform that allows for more complex smart contracts through a Turing-complete programming language. Examples of potential smart contract applications include sales contracts, decentralized DNS, autonomous companies, insurance, and inheritance. Challenges mentioned include scalability, privacy vs criminality, bugs, andCryptocurrencies, Blockchain & Smart Contracts: A General Introduction
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Cryptocurrencies, blockchain & smart contracts are introduced. Key points:
1) Blockchain is a distributed public ledger that records transactions in blocks connected linearly, enabling verification without central trust.
2) Bitcoin uses cryptography and mining to release currency algorithmically and validate transactions through solving computational problems.
3) Potential applications beyond currency include decentralized applications, smart contracts, and disintermediating organizations through blockchain technology.BlockChain, Bitcoin and Smart Contracts - Oleg Kudrenko
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This document discusses blockchain technology and smart contracts. It begins by introducing blockchain and smart contracts, then describes how blockchain can create an "internet of value" to transfer various digital assets. It explains how blockchain uses cryptography and distributed networks to securely record transactions in an immutable ledger without intermediaries. The document also provides examples of how smart contracts can automate transactions by executing when predetermined conditions are met, such as flight delay insurance that pays out automatically if a flight is late.Blockchain Smart Contracts - getting from hype to reality 
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The potential of smart contracts programmable contracts that automatically execute when pre-defined conditions are met is the subject of much debate and discussion in the financial services industry. Smart contracts, enabled by blockchain or distributed ledgers, have been held up as a cure for many of the problems associated with traditional financial contracts, which are simply not geared up for the digital age. Reliance on physical documents leads to delays, inefficiencies and increases exposure to errors and fraud. Financial intermediaries, while providing interoperability for the
finance system and reducing risk, create overhead costs for and increase compliance requirements.
In this report, we aim to cut through the speculation and hype around the potential of smart contracts. We have conducted detailed discussions with financial services industry professionals, prominent smart contract startups and academics (see Research Methodology at the end of this paper). Our study confirms that smart contract adoption will lead to reduced risks, lower administration and service costs, and more efficient business processes across all major segments of the financial services industry. These benefits will accrue from technology, process redesign as well as from fundamental changes in operating models, as they require a group of firms to share a common view of the contract between trading parties. Consumers will benefit from more competitive products, such as mortgage loans and insurance policies, along with simpler processes that are free of many of the hassles of todays customer experience.Cantook Ebook Distribution Platform - Frankfurt Book Fair 2012
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Whispergavofyork
油
The document describes Whisper, a hybrid decentralized network (DHT) and messaging system that provides private and authenticated communications. It functions as both a data storage system through topics and as an asynchronous messaging transport. Key features include probabilistic message forwarding for privacy, configurable topic-based filtering, proof-of-work for anti-DoS, and identity-focused design without exposing endpoints.Ethereum: Coding Society
Ethereum: Coding Societygavofyork
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Gavin Wood's introduction to Ethereum and contract programming, given at Assembly 2014, Helsinki, Finland.
https://www.youtube.com/watch?v=xO1AxsYAkU8Ethereum hackers
Ethereum hackersgavofyork
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Ethereum allows decentralized execution of code and agreements through smart contracts deployed on a blockchain. It aims to be a platform for open development of arbitrary applications in a similar way the internet enabled open communication. In Ethereum, the state is made up of accounts containing a balance, code, and storage. Transactions alter the state by sending messages or deploying contracts. Contract code is executed in a virtual machine using an Ethereum Virtual Machine language to read/write storage and send messages in a deterministic manner while consuming computational resources paid for in gas.The Ethereum Experience
The Ethereum Experiencegavofyork
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The document discusses the vision for Ethereum as a new decentralized platform that allows for arbitrary state changes and agreements through smart contracts. It outlines key components like Swarm for data distribution, Whisper for messaging, and Ethereum for storing agreements and relationships in a decentralized manner without trusted authorities. This enables new applications like marketplaces where advertising, transactions, and payments can occur without centralization in a similar way to real-life interactions.Academic Ethereum
Academic Ethereumgavofyork
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Ethereum is a decentralized platform that runs smart contracts: applications that run exactly as programmed without downtime, censorship, fraud or third party interference. It allows developers to create markets, store registries of debts or promises, move funds in accordance with instructions given long in the past (like a will or a futures contract) and many other things that have not been invented yet, all without a middleman or counterparty risk. The system runs on a blockchain with a virtual machine that executes code of decentralized applications. Ethereum has the potential to become a global platform for decentralized applications, bringing transparency and accountability to otherwise opaque systems.Berlinbetahaus
Berlinbetahausgavofyork
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Ethereum aims to enable arbitrary social contracts and decentralized applications by providing a platform for developers to build and run smart contracts using a blockchain. Unlike Bitcoin, ethereum transactions can contain data that triggers rules in smart contracts which are computer programs that can send messages and even create new contracts. Developers use a programming language like Serpent to write smart contracts that will be executed across the decentralized ethereum network using a concept called gas to compensate miners for computations.Bazaar services
- 3. Software Development Individual coders Strict hierarchy cathedral Open-source hackers bazaar Clones and forks (Github-style)
- 4. (Rough) Progression of Governance Anarchy Monarchy/Empire/Fiefdoms Plutocracy/Aristocracy Bureaucracy/Democracy
- 5. Communication Word-of-Mouth (close to zero) Press/Radio/Television Internet Mobile Mesh?
- 6. Distance sales Back-of-magazine (close to zero) Amazon One Matchmaker, One Merchant eBay/Amazon Marketplace One Matchmaker, Many Merchants No Matchmakers, Many Merchants
- 7. General Theme Nothing ...strong individual imposes order; progress to... Centralisation ...order enables cooperation; progress towords... Decentralisation Efficient Resilient Scalable ...or natural order?
- 8. Uberisation Trade will suffer the same fate
- 9. eBay was a trailblazer eBay: Decentralised marketplace Amazon Marketplace: same Uber: Decentralised taxi TaskRabbit: Decentralised labour AirBnB: Decentralised hostelry
- 10. Matchmaker or Merchant? Merchants is decentralised ...but Matchmaking still centralised.
- 12. Ethereum Trust as a commodity Provides a strong uncorruptible link between real-world and digital Programmable value smart contracts, guaranteed semantics, ... Interoperability ICAP/KYC/AML/decentralised reputation/
- 13. Enables... Uber without Uber, Inc eBay without eBay, Inc AirBnB without AirBnB, Inc
- 14. Inclusive, globalised, village bazaar Bazaar Services