Category: Blockchain

The new proof-of-stake consensus mechanism on Ethereum blockchain network allows network participants to earn rewards without spending a lot of computational power for playing a part in securing the network. Unlike miners, validators don’t need to spend many CPU cycles to produce new blocks. They stake 32 ETH (the native cryptocurrency on Ethereum) to be […]

In this post, you learn how to deploy a cloud-based development environment with which to build, test, and deploy smart contracts on the public Ethereum Goerli testnet via a dedicated Ethereum full node managed using Amazon Managed Blockchain. You can also use the steps outlined in this post to create a development environment on the […]

In the pharmaceutical industry, the cost of clinical research and clinical trials is extremely high, which results in higher drug prices and insurance expenses. Furthermore, the high costs have resulted in decreased numbers of clinical trials at national research institutes and universities, slowing the progress of pharmaceutical research. In addition, incidents of data falsification or […]

Avalanche is an EVM-compatible, layer-1 blockchain network. The protocol is built upon a novel consensus mechanism, paired with subnets with their own virtual machines. Subnets enable the creation of custom, app-specific blockchains for different use cases and allow the Avalanche network to scale infinitely. At its core, a blockchain is a set of replicated state […]

Engaging with the customers at AWS re:Invent is always a great opportunity for us to learn more about their use cases, get their feedback on our services, and present new features and capabilities. The Amazon Managed Blockchain team conducted a series of presentations and workshops that focused on how customers are using blockchain technology and […]

A common frustration among people who buy tickets to concerts, plays, and other events is that each ticket carries multiple fees. The fees often vary in ways that seem hard to comprehend, making the final cost unpredictable. Through the ticket’s lifecycle, multiple intermediaries can add to the cost and collect revenue, with no monetary benefit […]

After the development of the COVID-19 vaccine, Korean Air began transporting vaccines in February, 2021. In the process, Korean Air realized the need to provide more accurate information between related stakeholders in a more reliable way and turned to blockchain technology. Korean Air confirmed that blockchain is suitable for improving traceability, transparency, and accuracy of […]

On October 22, 2022, Amazon Managed Blockchain for Ethereum launched an alternative way for interoperable access to Ethereum nodes JSON-RPC APIs for HTTPs and secure WebSockets using token-based access. In this post we demonstrate how to deploy an Ethereum node and access its JSON-RPC APIs using an accessor token. Managed Blockchain is a fully managed […]

In this post, we share an open-source solution for running cross-chain analytics on public blockchain data along with public datasets for Bitcoin and Ethereum available through AWS Open Data. These datasets are still experimental and are not recommended for production workloads. You can find the open-source project on GitHub here and the public blockchain datasets […]

Non-fungible tokens (NFTs) have captured global attention as a mechanism for creating one-of-a-kind digital assets that can be instantly verified as authentic, easily exchanged between users, and made infinitely programmable such that NFTs can be used for a variety of use cases and industries. At its core, NFTs are a form of digital asset or […]