FAQ - Ethernal

What data do you synchronize?
The whole responses from web3js getBlock(), getTransaction(), and getTransactionReceipt(). 
Accounts addresses & balances
Contract artifact data:
contractName
abi
ast
source
You can verify this on our Github account under the CLI & Hardhat plugin repositories.
Why do you need to synchronize artifact data?
contractName is used to label your contract in the dashboard.
abi is used to decode function calls and events data.
ast and source are used to decode contract variables data.
Can I host my data on my own Firebase instance?
Yes, see here for how to self-host.
How much does Ethernal cost?
Ethernal has a free plan and a paid plan. The limits to the free plan are:
You can't sync more than 10 contracts
You can only have 1 workspace
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Ethernal Documentation

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Outline

What data do you synchronize?

Why do you need to synchronize artifact data?

Can I host my data on my own Firebase instance?

How much does Ethernal cost?