Merge pull request #793 from onflow/nialexsan/783-geth-ref

add geth ref

docs/evm/using.mdx

@@ -54,3 +54,16 @@ To use the Flow Wallet Chrome extension:
 
 1. Open the Flow Wallet browser extension and create your account.
 2. Connect to an app using Flow Wallet.
+
+## Details
+
+- Flow EVM: A virtual EVM-based blockchain on Flow using the latest EVM byte-code interpreter `Geth v1.13`.
+- FLOW Token Usage: Utilizes `FLOW` token for transactions, with balances denominated in `Atto-FLOW` (1 `FLOW` = 10^18 `Atto-FLOW`).
+
+Composability:
+- [Cadence Calls](./cadence/direct-calls.md): Cadence can call Flow EVM.
+- [Extended Precompiles](https://github.com/onflow/flips/blob/main/protocol/20231116-evm-support.md#flow-evm-extended-precompiles): Extended EVM smart contracts interact with Cadence.
+- [Cadence-Owned-Account (COA)](./cadence/interacting-with-coa.md): Allows a Cadence resource to own/control an EVM address.
+
+For further details refer to [FLIP 223: EVM integration interface](https://github.com/onflow/flips/blob/main/protocol/20231116-evm-support.md)
+![Flow EVM account model](https://raw.githubusercontent.com/onflow/flips/main/protocol/20231116-evm-support/flow-evm-account-model.png)