Author: Emile Baizel

In September 2022, Ethereum transitioned to a Proof of Stake (PoS) consensus model. This change allows anyone with a minimum of 32 ether to stake their holdings and operate a validator node, thereby participating in network validation and earning staking rewards. In this post, we explore the technical challenges and requirements of operating an institutional-grade Ethereum staking service. Additionally, we outline a solution for deploying an Ethereum staking service on AWS.

In Part 1 of this series, we introduced the Account Abstraction (AA) concept and explained how it overcomes some of the user experience challenges of Externally Owned Account (EOA) wallets. We also covered how you can apply AA in the context of different use cases, such as marketing campaigns and enabling user onboarding at scale. […]

This post is co-authored with Alchemy. Alchemy builds APIs, SDKs, and tools that help developers build blockchain applications. Alchemy is actively involved in the Account Abstraction community and recently released Account Abstraction infrastructure APIs and SDKs. Ethereum wallets are used to manage access to Ethereum accounts and to the assets that are held by those […]

Amazon Quantum Ledger Database (Amazon QLDB) is a purpose-built ledger database that provides a complete and cryptographically verifiable history of all changes made to your application data. Customers in regulated industries use the cryptographically verifiable history as part of meeting compliance and facilitating audits. Similar to when working with traditional databases like MySQL or PostgreSQL, […]

When you authenticate with a web or mobile application, you typically do so with a username and password where you’re authenticated against a user database such as Amazon Cognito. You’re expected to secure your password and rotate it periodically or when it has been compromised. When you’re building a user-facing application that is running on […]

Applications built on Amazon Managed Blockchain allow multiple parties to transact with one another in a trusted environment with the ability for each party to endorse transactions before they are committed to the blockchain. Blockchain events allow applications to respond to activity and updates to the smart contracts that have been deployed to the network, […]

Amazon Managed Blockchain makes it easy to create and manage scalable blockchain networks.  In Part 1 of this multi-part post, you learned how to deploy a Hyperledger Fabric blockchain using Amazon Managed Blockchain.  You also learned how to deploy a REST API to provide a simple interface to read and write to the network. To […]