Blockchain Dev for Smart Contract & Wallet Recovery

I'm seeking an experienced blockchain developer to help with smart contract interactions and wallet recovery.

Key Tasks:
- Access legacy contracts on Ethereum, Binance Smart Chain, and Polygon.
- Resolve gas estimation issues.

Ideal Skills:
- Strong understanding of legacy smart contracts.
- Experience with secure, offline signing practices.
- Proficiency in handling gas fees across multiple blockchains.

Looking forward to your expertise!