Developer Resources
General information and links
General Information
Block Size
Block Speed
Gas price
Patchset
Native token
Network ID
~17,000,000 Gas
5 sec
1 -10 GWei
Berlin
POA
99
To mitigate an ongoing denial-of-service attack, validators decided to increase the gas price to a range between 1-10 Gwei. Each validator can determine their own value within this range.
Blockchain Explorers
BlockScout is the official blockchain explorer for the POA Network. With this full-featured, open-source explorer you can view transactions, accounts & balances, access data via the API and read and verify smart contracts.
POA Core Network: https://blockscout.com/poa/core
2) AnyBlock Analytics Explorer is convenient for exploring recent transactions and blocks and locating basic information extremely quickly.
Poa Core Network: https://explorer.anyblock.tools/ethereum/poa/core/
JSON RPC endpoints
There are endpoints provided by POA. They are used to connect to the network. Use these endpoints to connect with DApps or when connecting to the POA Network with MetaMask or other web3 wallets.
POA Core Network
Main RPC (HTTP2)
WebSockets
wss://core.poa.network/wss
Archive node (last 100k blocks)
Network ID
99
On-Chain Randomness Contract (RandomAuRa)
Block
Date
Contract
14350721
03/31/2020
0x67e90a54AeEA85f21949c645082FE95d77BC1E70
The current implementation requires a chain running OpenEthereum or Nethermind AuRa consensus. The Random Number generation contract was introduced in this PR.
TokenBridge UI
TokenBridge UI at https://bridge.poa.net/
DApp Management & Developer Tools
Pocket provides a decentralized API layer for DApp developers (IOS, Android & Web SDKs available) and blockchain users.
TheGraph supports xDai data indexing, querying and display.
Tenderly dashboard supports POA transaction inspection - smart contracts can also be pushed to the dashboard for real-time monitoring.
Additional Resources
Chain spec files and known bootnodes of the POA network https://github.com/poanetwork/poa-chain-spec/tree/core
Netstats, an overview of POA Chain nodes https://core-netstat.poa.network
DApps Deployed to POA: Partial list of deployed DApps along with statistics and links https://www.stateofthedapps.com/rankings/platform/po
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