💡Welcome to Aurora
What is Aurora?
Aurora is an EVM (Ethereum Virtual Machine) compatible blockchain layer 2 on top of Near protocol, combining the compatibility with the Ethereum ecosystem and the performance and scalability of Near.
How is Aurora different from other Ethereum layer 2s?
Aurora is not a rollup or a side chain. It is implemented as a smart contract on the NEAR Protocol. This means that Aurora inherits most of the features from Near protocol such as:
1s block time
220+ Near validators
Scalability through sharding technology
While providing ethereum compatibility:
ETH is the base token of Aurora
Transaction fees (gas fees) in Aurora are paid in ETH and are constant (gas price is 0.07 GWei, which is around $0.003 per transaction).
What are the TPS on Aurora?
Transactions Per Second is a common measure of performance for blockchains. Since Aurora inherits its characteristics from Near Protocol, the TPS are the same as on Near which are around 1k TPS.
Note that the TPS number depends a lot on the size of transactions (a simple transfer will be smaller than a swap for instance) so numbers can vary greatly.
During peaks, TPS on Aurora could be around 10k
Thanks to the sharding technology of Near, TPS could go up to 100k with the current shards
And theoretically it actually has no limit since sharding offers horizontal scaling
What programming language do I need to know to deploy on Aurora?
As an EVM compatible chain, smart contracts on Aurora are written in Solidity, exactly how it is done on Ethereum, Polygon, Arbitrum or any other EVM chain.
I already have a dapp on Polygon, can I migrate to Aurora?
Absolutely, since both chains are EVM compatible, you can simply redeploy your smart contracts on Aurora without additional development, and you will instantly benefit from the high throughput and low transaction costs.
What are Virtual Chains?
Virtual Chains are dedicated instances of the Aurora Engine, customised to a specific application. Read more about Virtual Chains in the next section.
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