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POA Logo

POA Core

A trusted Proof-of-Authority network

Use Cases

A trusted POA version of Ethereums Dapp-platform.


POA Core is an autonomous blockchain network that is secured by a group of trusted validators. All validators are US notaries with publicly available information.

The consortium network facilitates fast and inexpensive transactions for use cases, including blockchain games, community-based currencies, subsidized transactions, DAO governance, and decentralized finance (DeFi).

POA also develops resources to enhance transparency throughout blockchain systems. These include BlockScoutTokenBridge, and a stable coin-based network called xDai Network.

Quick Facts

Testnet/Live: Live
Chain ID: 99
Network ID: 99
Live Since: December 2017
Block time:~ 5 seconds
Consensus / block proposer: PoA – Proof-of-Authority
Permissioned: Yes
Governance / Authorities: US notaries registered list

Client support: TBD
Explorer: POA Explorer
Stats: POA Network Stats
Faucet: POA Faucet
Github: POA Github
Website: POA Website
Gas metrics: POA Core Gas Metrics
Network Metrics: POA Core Network Metrics
>> Browse related networks below or go back to all networks.
Ethereum Logo

Ethereum Mainnet

Ethereum Mainnet is the largest EVM (Ethereum Virtual Machine) network to date. The Proof-of-Work network was established in July 2015. Ethereum Mainnet is an open source, blockchain-based distributed computing platform and operating system featuring smart contract functionality.


POA Logo

POA Sokol

POA Sokol is an Ethereum POA test network that allows for blockchain development testing before deployment on the main POA Core network.


xDAI Logo


xDai was originally a proof-of-authority chain that used an authority round (AuRa) consensus mechanism, supported by Parity and Nethermind. Nowadays, xDai has evolved into a permissionless delegated proof-of-stake based consensus with POSDAO.


Interested or questions?


Freddy Zwanzger
(Co-Founder & Chief Data Officer)
+49 6131 3272372


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