AWS Database Blog

Category: Blockchain

How to build a crypto wallet application using Amazon Managed Blockchain Access and Query

Building a cryptocurrency wallet requires the operation of a multitude of blockchain-specific components that enable critical functionality for the wallet. This includes but is not limited to provisioning and managing blockchain nodes, developing secure private key management solutions, building performant transaction management modules, and working with complex blockchain data pipelines. These components require complex security […]

Run Polygon nodes on AWS

In this post, we dive deep into establishing your infrastructure and deploying Polygon blockchain nodes on AWS. We provide recommendations for selecting optimal compute and storage options tailored to various use cases. We discuss the approach to speed up the horizontal scaling of Polygon full nodes on AWS with Amazon Simple Storage Service (Amazon S3) […]

Run a WAX Blockchain node using AWS CDK

WAX is a blockchain-based system designed for the unique demands of the gaming industry. It provides high transaction throughput and near-instant block finality. With WAX, game developers can decouple in-game digital assets from a single in-game world and let gamers use them in new contexts such as building walls of fame, creating personal online trophy […]

Run a serverless Arbitrum full node on AWS

Over the last 2 years, layer 2 technologies have gained traction and are solving the scaling constraints of Ethereum. L2beat provides a consolidated view of the different layer 2 projects. At the time of writing, Arbitrum represents approximatively half of the market value of layer 2 solutions. AWS offers a variety of services to help […]

Use AWS Nitro Enclaves to build Cubist CubeSigner, a secure and highly reliable key management platform for Ethereum validators and beyond

Validators are the fundamental building blocks of proof-of-stake (PoS) blockchain protocols like Ethereum. They maintain the history of the chain and run the consensus protocol that makes it possible to implement complex decentralized applications—from decentralized finance applications to NFT collectibles. To join the protocol, validators provide assets as collateral, which ensures they behave correctly in […]

Build Account Abstraction Wallets with Alchemy and AWS: Part 2

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. […]

How Blocksee built a Web3 CRM with blockchain data from Amazon Managed Blockchain Query

Blocksee provides web3 customer relationship management (CRM) and user engagement solutions that deliver actionable insights for non-fungible token (NFT) and crypto marketers. Blocksee allows web3 product marketers to easily embed code snippets on their websites or access APIs to capture first-party data from users interested in digital memberships, event ticketing, and promotional assets. Powered by AWS […]

How Itaú Bank simplified cryptocurrency custody with Amazon Managed Blockchain Access and Query

In this post, we share how Itaú Unibanco adapted to the growing demand of digital asset services from their customers, and how they used Amazon Managed Blockchain Access, Amazon Managed Blockchain Query, and AWS Nitro Enclaves to quickly bring enterprise-grade innovation to the digital asset space at scale. Adoption trends in Brazil Cryptocurrency adoption is […]

Query transaction finality information from public blockchains using Amazon Managed Blockchain Query

In this post, we provide an overview of an enhancement to Amazon Managed Blockchain (AMB) Query which enables you to retrieve data on a public blockchain prior to finalization. AMB Query is a fully managed AWS service that provides high quality blockchain data delivered with sub-second latency to applications via uniform APIs across a number […]

Make EOA private keys compatible with AWS KMS

Those who choose to take ownership of digital assets, such as cryptocurrency or non-fungible tokens (NFTs), are faced with a crucial decision when creating a wallet: do they opt to manage their own wallet or delegate that responsibility to a trusted third party? Non-custodial wallet solutions, whereby a user manages their own wallet, are popular […]