---
title: 'Paxeer Interoperability Framework'
sidebarTitle: 'EVM ↔ CosmWasm'
description: 'Understand how Paxeer enables seamless interaction between EVM and Cosmos ecosystems through its dual address system and precompiles.'
keywords: ['blockchain interoperability', 'EVM Cosmos bridge', 'dual address system', 'precompile contracts']
---

> **For AI agents:** the complete documentation index is at [llms.txt](/llms.txt). Append `.md` to any page URL for its markdown version.

<Info>
  **CosmWasm deployments are frozen, and inbound IBC is being disabled.** No new CosmWasm contracts can be uploaded or instantiated on Paxeer. Inbound IBC transfers are disabled, so IBC assets bridged from Cosmos chains can no longer arrive on Paxeer. The interoperability features described on this page apply to **already-deployed** CosmWasm contracts, native Bank Module assets, and Cosmos-SDK modules accessed via precompiles. For new smart contract development, build directly on the EVM.
</Info>

## Dual Address Support

Paxeer utilizes two distinct address types:

- **EVM (0x) address:** Ethereum-style addresses, with "0x" prefix.
- **Cosmos address:** Bech-32 addresses, with "pax1" prefix.

Both addresses are derived from the same public key, ensuring seamless asset
integration across formats.

## Virtual Machine Interoperability

EVM and existing CosmWasm-based smart contracts co-exist on Paxeer, but live in
different execution environments. This creates a challenge for users, who use
wallets that typically only support a single execution environment. Likewise for
developers, existing tooling and libraries can only interact with either EVM or
Wasm (Think EthersJS vs CosmJS).

To bridge the gap between EVM and Wasm, Paxeer exposes Cosmos-SDK modules and
already-deployed CosmWasm contracts to the EVM via precompiled contracts. New
smart contracts on Paxeer should be deployed on the EVM directly.

## Precompile Contracts

Paxeer precompiles are smart contracts embedded directly within the Paxeer EVM
environment. They provide a gateway for users and developers to access
Cosmos-SDK functions through the EVM RPC interface.

For instructions on utilizing EVM precompiles, refer to the
[Example Usage](/evm/precompiles/example-usage) section.

## Example Diagram

![Interoperability](/assets/interoperability.png)
*Enabling seamless access to all tokens and contracts on Paxeer*