Bitcoin traders target $90K as apparent tariff exemptions ease US Treasury yields

The 2-year and 10-year US Treasury yields dipped on Monday, April 14, after Bitcoin (BTC) closed its best weekly performance since the second week of January. Bitcoin gained 6.79% over the past week, but are enough factors aligned to support continued price upside? The 10-year treasury yield declined by 8.2 basis points to 4.40% during the … Read more

Build multi-agent systems with LangGraph and Amazon Bedrock

Large language models (LLMs) have raised the bar for human-computer interaction where the expectation from users is that they can communicate with their applications through natural language. Beyond simple language understanding, real-world applications require managing complex workflows, connecting to external data, and coordinating multiple AI capabilities. Imagine scheduling a doctor’s appointment where an AI agent … Read more

Dynamic text-to-SQL for enterprise workloads with Amazon Bedrock Agents

Generative AI enables us to accomplish more in less time. Text-to-SQL empowers people to explore data and draw insights using natural language, without requiring specialized database knowledge. Amazon Web Services (AWS) has helped many customers connect this text-to-SQL capability with their own data, which means more employees can generate insights. In this process, we discovered … Read more

Why Blockchain Systems Use Checkpoints for Recovery and Finality

Table of Links Abstract and 1. Introduction Key Concepts 2.1 Append-Only Log and 2.2 Virtual Machine State 2.3 Transactions As Curried Functions 2.4 Natural Names of State 2.5 Ground Truth 2.6 Efficient Representations of State 2.7 Checkpoints 2.8 Execution Parameters: callData 2.9 Execution Ordering 2.10 Deciding on the Correct State Ideal Layer 2 Design 3.1 … Read more

Making Sense of Blockchain Execution and Transaction Order

Table of Links Abstract and 1. Introduction Key Concepts 2.1 Append-Only Log and 2.2 Virtual Machine State 2.3 Transactions As Curried Functions 2.4 Natural Names of State 2.5 Ground Truth 2.6 Efficient Representations of State 2.7 Checkpoints 2.8 Execution Parameters: callData 2.9 Execution Ordering 2.10 Deciding on the Correct State Ideal Layer 2 Design 3.1 … Read more

How Blockchain Defines ‘Truth’

Table of Links Abstract and 1. Introduction Key Concepts 2.1 Append-Only Log and 2.2 Virtual Machine State 2.3 Transactions As Curried Functions 2.4 Natural Names of State 2.5 Ground Truth 2.6 Efficient Representations of State 2.7 Checkpoints 2.8 Execution Parameters: callData 2.9 Execution Ordering 2.10 Deciding on the Correct State Ideal Layer 2 Design 3.1 … Read more

What Happens After You Hit ‘Send’ on Blockchain

:::info Authors: (1) Bennet Yee, Oasis Labs; (2) Dawn Song, Oasis Labs; (3) Patrick McCorry, Infura; (4) Chris Buckland, Infura. ::: Table of Links Abstract and 1. Introduction Key Concepts 2.1 Append-Only Log and 2.2 Virtual Machine State 2.3 Transactions As Curried Functions 2.4 Natural Names of State 2.5 Ground Truth 2.6 Efficient Representations of … Read more

Meta AI will soon train on EU users’ data

Meta has announced that it’s preparing to train AI on the data of EU users of its apps, including Facebook and Instagram. The company says that includes things like public posts, comments, and their chat history with Meta AI, but won’t include “private messages with friends and family.” It also only applies to those who … Read more

Google’s newest AI model is designed to help study dolphin ‘speech’

Google’s AI research lab, Google DeepMind, says that it has created an AI model that can help decipher dolphin vocalizations, supporting research efforts to better understand how dolphins communicate. The model, called DolphinGemma, was trained using data from the Wild Dolphin Project (WDP), a nonprofit that studies Atlantic spotted dolphins and their behaviors. Built on … Read more

Google Classroom gives teachers an AI feature for quiz questions

Google Classroom introduced a new AI-powered feature designed to help teachers generate questions. Launched on Monday, this tool lets educators create a list of questions based on specific text input. Using this text-dependent question generation tool, which utilizes Gemini, teachers can either upload files from Google Drive or manually enter text for the AI to … Read more

The HackerNoon Newsletter: This Detective Game Helps Beginners Master SQL and Database Logic (4/14/2025)

How are you, hacker? 🪐 What’s happening in tech today, April 14, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Human Genome Project completed in 2003, First US president assassination in 1865, and we present you with these top quality stories. From LangChain Promised an Easy AI Interface … Read more

Inside ‘An Ethereum Story’: Filming Vitalik Buterin, Crypto’s Most Reluctant Star

Vitalik Buterin, the original creator of the Ethereum blockchain, is one of the most recognizable figures of the cryptocurrency industry. He’s often admired in the ecosystem for being highly technical while also deeply philosophical about technology’s role in society. For those that do not follow crypto closely, Buterin starkly contrasts the stereotypical image of a … Read more

Inside the System That Optimizes Cross-Border Digital Currency Trading

Table of Links Abstract and 1. Introduction Background 2.1 Layer-2 Blockchains 2.2 Project Mariana Related Work and Contribution System Architecture Model 5.1 Automated Market Makers 5.2 Price Impact Simulation 6.1 Data and Parameters 6.2 Results Discussion Conclusions, Acknowledgements, and References Graphs and Tables 4 System Architecture This paper proposes a novel approach for facilitating cross-border … Read more

This Study Breaks Down the True Costs of CBDC Exchange

Table of Links Abstract and 1. Introduction Background 2.1 Layer-2 Blockchains 2.2 Project Mariana Related Work and Contribution System Architecture Model 5.1 Automated Market Makers 5.2 Price Impact Simulation 6.1 Data and Parameters 6.2 Results Discussion Conclusions, Acknowledgements, and References Graphs and Tables 3 Related Work and Contribution There is an abundance of literature discussing … Read more

What Layer-2 Rollups Mean for CBDC Trading

Table of Links Abstract and 1. Introduction Background 2.1 Layer-2 Blockchains 2.2 Project Mariana Related Work and Contribution System Architecture Model 5.1 Automated Market Makers 5.2 Price Impact Simulation 6.1 Data and Parameters 6.2 Results Discussion Conclusions, Acknowledgements, and References Graphs and Tables 2 Background This section introduces the concept of L2 blockchain scaling, presents … Read more

A New Architecture for Cross-Border CBDC Trading

:::info Authors: (1) Krzysztof Gogol, University of Zurich (gogol@ifi.uzh.ch); (2) Johnnatan Messias, Matter Labs; (3) Malte Schlosser, University of Zurich; (4) Benjamin Kraner, University of Zurich; (5) Claudio Tessone, University of Zurich. ::: Table of Links Abstract and 1. Introduction Background 2.1 Layer-2 Blockchains 2.2 Project Mariana Related Work and Contribution System Architecture Model 5.1 … Read more

HBO’s Harry Potter TV series has cast its regulars (not those ones)

Harry Potter Cast (from left to right): John Lithgow, Janet McTeer, Paapa Essiedu, Nick Frost, Luke Thallon, and Paul Whitehouse. After weeks of speculation, Warner Bros. Discovery has officially announced the first cast members who will appear in its upcoming Harry Potter TV adaptation. The casting confirmations, focused around some of the most notably adult … Read more

“The only real moat that exists is consumer mindshare,” says Friend.com CEO Avi Schiffmann

Avi Schiffmann is the Founder/CEO of Friend.com, the new AI necklace companion. Previously Avi dropped out of Harvard and founded InternetActivism.org, where he notably built a COVID tracker that over 600M people visited. Avi was kind enough to spend a few minutes sharing his rare insights with the HackerNoon community.  Me: What is Friend.com?  Avi … Read more