Following the discovery of a security issue submitted through Moonbeam's Immunefi bug bounty program, the Moonbeam Council proposes to upgrade the Moonbeam's runtime to  **version 1504**.

### Runtime 1504 release note :
[https://github.com/PureStake/moonbeam/releases/tag/runtime-1504](https://github.com/PureStake/moonbeam/releases/tag/runtime-1504)  

The fix aims to re-established DELEGATECALL for Ethereum standard precompiles and for smart contracts (while keeping it disabled for custom precompiles)

More information on the security issue can be found in the following announcement : 
[https://moonbeam.network/blog/urgent-security-patch-for-custom-precompiles/](https://moonbeam.network/blog/urgent-security-patch-for-custom-precompiles/)  

To learn more about Moonbeams bug bounties, visit the link below.
Immunefi Bug Bounty Program:
[https://immunefi.com/bounty/moonbeamnetwork/](https://immunefi.com/bounty/moonbeamnetwork/)   

###  Verification
Blake2_256 Hash: `0xc97cd0a14394e6da75056736713474d90e04d91433a2a3821b9e0ca894a21df9`  
If you want to apply the best practices and verify the hash of the proposal, we advise you to use srtool

- The Moonbeam Council wants to upgrade Moonbeam's runtime to version 1504.
- The upgrade fixes a security issue with DELEGATECALL for Ethereum standard precompiles and smart contracts.
- More information about the security issue can be found in an announcement.
- Moonbeam has a bug bounty program called Immunefi.
- You can verify the proposal using a Blake2_256 Hash.

#43 Runtime Upgrade 1504 - Moonbeam Network