The problem Wallet Bridge solves

Wallet Bridge solves the barrier of entry for users wanting to interact with Ethereum without needing a MetaMask wallet. By allowing users to log in using their email addresses, it democratizes access to decentralized finance (DeFi) and blockchain applications. The addition of batch transactions and a peer-to-peer transfer contract enhances user convenience and flexibility, making Ethereum transactions smoother and more efficient for all users, regardless of their technical expertise.

Challenges I ran into

During the development of Wallet Bridge, several challenges emerged:

Integrating third-party SDK (Web3 SDK v5): The integration of the Web3 SDK v5 presented compatibility issues and required thorough testing to ensure seamless interaction with the Ethereum blockchain. Detailed documentation and community support were crucial in overcoming compatibility hurdles.

Implementing Next.js with Ethereum sign-in via next-auth: Integrating Ethereum sign-in through Next.js and next-auth posed challenges in handling authentication securely and efficiently. Ensuring proper session management and user authentication flow required careful consideration of security practices and thorough testing.

Developing in-app wallets for email users: Creating in-app wallets for users who log in via email presented design and security challenges. Balancing ease of use with security measures such as encryption and key management required iterative development and user feedback.

Each challenge was tackled through a combination of thorough research, leveraging community resources, and iterative testing. Collaboration with peers and seeking advice from experienced developers in the blockchain space were instrumental in resolving these hurdles.