Access Ethereum data as SQL, ElasticSearch and GraphQL
Reach your goals with blockchain data much faster, cheaper and with maximum flexibility. No need to run a full archive node or your own database if you just want to use blockchain data.
Social experiment attempting to see if we can democratically curate a list of the best minds on Crypto Twitter.
TCR Party is a social experiment attempting to see if we can democratically curate a list of the best minds on Crypto Twitter. We run two bots: @TCRPartyBot retweets every Twitter handle that is on the list. @TCRPartyVIP where the democracy (or chaos) happens. This bot announces recent nominations
Executing Ethereum transactions with fiat money.
Accepting fiat payments with your dapp is hard. We make it dead easy with LimePay. LimePay is a SaaS platform that enables end-users to freely execute transactions for decentralized applications (dApps) with fiat money. No need for registration or creating a crypto wallet. Just a credit card
Blockchain oracle for modern DApps.
Oraclize is the leading oracle service for smart contracts and blockchain applications, serving thousands of requests every day on platforms like Ethereum, Rootstock, R3 Corda, Hyperledger Fabric and EOS.
For smart contracts, the oracle is the source of truth. Use our frameworks to decentralize this power.
Help build mining and help mining.
Contribute to our future plans to implement a GPU miner(not built in python), provide a way to pay in Ether for data, and improve our reward/incentives mechanism.
@todo Get more detail about mining.
The Standard Oracle For Decentralized Finance. An easy to implement solution to get high value data into your smart contracts. Get API Data Into Your Ethereum Contracts. By providing the adaptive infrastructure for smart contracts to query, on demand, off-chain data on-chain by properly
Crowd-sourced verification for smart contract oracles.
Realitio provides a flexible mechanism for verifying real-world events for smart contracts.
Drag and drop IDE to build Ethereum Dapps
The easiest way to build an Ethereum application. Create a decentralized application in minutes. Start building today. No code required. Features No Developer Required : Create an end-to-end application with our interface No Cryptocurrency Required : We manage transactions for you Rapidly Prototype
Your smart contracts connected to real world data, events and payments.
ChainLink is blockchain middleware that allows smart contracts to access key off-chain resources like data feeds, various web APIs, and traditional bank account payments. By providing smart contracts secure access to these key resources, ChainLink allows them to mimic real world agreements that
A Decentralized Oracle Network connecting smart contracts to the rest of the world.
Witnet is a decentralized oracle network that connects smart contracts to the outer world. It aims to allow any piece of software to retrieve the contents published at any web address with complete and verifiable proof of its integrity and without blindly trusting any third party.
Oracles That Bring Data to Smart Contracts
The Zap platform allows users to create, publish and subscribe to smart contract and Decentralized Application compatible data feeds. Data Speculators can also bond zap for dots and choose to redeem dots.
A trustless price oracle for ERC20 tokens
Polaris is an on-chain decentralized price oracle for ERC20 tokens. It calculates the median of historical checkpoints on Uniswap for a price that is both accurate and resistant to manipulation.
A library for oracles on Ethereum
Tidbit is a modular oracle library that enables developers to compose decentralized oracles. We believe oracles are one of the largest under-addressed needs for decentralized applications. Our hope is that Tidbit will encourage collaboration and experimentation around building oracles, bringing a
A scalable verification solution for blockchains.
Truebit is an open source community committed to appreciation, understanding, and implementation of cryptoeconomic protocols and scalable, blockchain infrastructure.
Connect your smart contract with real-world data.
Rhombus is the oracle solution for your smart contract We provide the most reliable, credible, and efficient oracle platform on the planet. Access over five trillion real-world data points, custom off-chain computing, and the best security the industry has to offer.
Prediction market protocol built on Ethereum
Augur is a trustless, decentralized oracle and prediction market. Individuals can speculate on the outcome of future events, those who forecast correctly win money and those that forecast incorrectly lose money. Augur was founded in 2014 and officially launched on the Ethereum mainnet on July 2018.
Prediction markets platform for forecasting blockchain developments, events, and projects
Helena transforms fragmented community insights into real-time consensus data signals covering major technology, regulatory and business events and KPIs in the blockchain and crypto space. Helena’s mission is to provide a simple way for investors to stay up-to-date and make the best decisions
Create Oracles and get paid
Once you’ve entered into our ecosystem, you can manage everything. Anyone with a smartphone and an internet connection can participate in Zap's global platform.
Monetize API and data feed with Chainlink
Monetize your data feeds and existing APIs by selling them directly to smart contracts.