Best Smart Contract Platforms for API3

There is no need to rewrite your smart contracts or reconfigure them. Moonbeam is more than an EVM implementation. It's a Layer 1.5 chain that mirrors Ethereum Web3 RPC, accounts keys subscriptions logs, and more. Moonbeam extends the base Ethereum feature sets with additional features like on-chain governance, stakes, and cross-chain integrations. You can reach segments of your market that are not accessible on Ethereum because of gas prices. You can be a "first-mover" by deploying to Polkadot’s rapidly expanding parachain ecosystem.

Moonriver, a companion network to Moonbeam, provides a permanently incentivized network of canaries. Moonriver is the first port of call for new codes. This allows them to be tested and verified under real economic conditions. Once it is proven, the same code can be shipped to Moonbeam on Polkadot. You can quickly deploy your existing or new Solidity DApps to Moonriver parachain with minimal or no modifications. This will allow you to gain easy access the Kusama network. Moonriver mirrors Ethereum's Web3 RPC and accounts, keys, subscriptions and logs. This reduces the amount of changes required to run existing Solidity smart contract on the network. Easy replication of Ethereum's DApp can be done by Ethereum projects. Moonbeam can then deploy it using Hardhat, Truffle and Remix, as well as other popular deployment tools.

Connect your smart contract with the outside world. Chainlink's decentralized Oracle network provides reliable, tamperproof inputs and outgoings for complex smart contract on any blockchain. Start building your universally connected smart contracts. To connect high-quality and accessible data/APIs to any smart contracts, use decentralization, trusted data, premium data, cryptographic proofs, and trust nodes. A flexible framework can be used to retrieve data from any API, connect to existing systems, and integrate any blockchain, both now and in the future. Integrate battle-tested and proven oracle solutions that have secured billions in value for leading blockchain projects. Independently verify Chainlink's open source code, performance of its oracle network, and quality of individual node operator.

Harmony is a fast and open blockchain. Our mainnet runs Ethereum applications at a speed of two seconds and with 100 times lower fees. Harmony's secure bridges allow cross-chain asset transfers between Ethereum, Binance, and other chains. Harmony is a platform that allows creators to connect with the community. Harmony's bridges are able to connect any Proof of Work and Proof of Stake chains. FlyClient architecture is completely trustless and extremely gas-efficient. Our bridges for Ethereum or Binance Smart Chain currently secure tens to millions of cross-chain assets. Developers can simply change the Chain ID to enjoy faster executions of EVMs identical at bytecode level. They can easily migrate to Harmony using their familiar Web3 tooling. What about users? Users can use MetaMask and Ledger as usual, but they will now only have to pay minimal fees. Any Ethereum portal or wallet can work on Harmony without any code modifications or new installs.