Cubed

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Coinbase's x402 Protocol Gives AI Agents Their Own Payment Rails on the Internet

The HTTP-native x402 standard lets AI agents pay for APIs and services with stablecoins — no accounts, API keys, or checkout flows required.

Sep 26, 2026

cryptocurrency

Bitcoin and Ethereum ETFs See $500M in Combined Outflows as Institutions Pull Back

Spot Bitcoin ETFs lost $258M while Ethereum ETFs recorded their fourth consecutive day of withdrawals totaling over $500M.

Sep 26, 2026

cryptocurrency

Bitcoin Drops Below $109K as Crypto Markets Shed $170 Billion in 24 Hours

A post-FOMC selloff triggered over $1 billion in liquidations as Bitcoin, Ethereum, and Solana all fell sharply.

Sep 26, 2026

web3

Block Adds Bitcoin Lightning to x402, Letting AI Agents Pay for APIs in BTC

Block joined the x402 Foundation and integrated Bitcoin Lightning into the open payment standard backed by Google, Microsoft, AWS, and Coinbase.

Sep 25, 2026

cryptocurrency

Bitget Lost $352 Million in a Backend Spoofing Attack — and North Korea May Be Behind It

Bitget CEO Gracy Chen said attackers compromised wallet infrastructure and faked transaction data, draining $351.6M without stealing private keys.

Sep 25, 2026

artificial-intelligence

What Should You Use to Measure Answer-Engine Visibility by Topic? A Practical Guide

How to measure AI visibility across topics, prompts, competitors, mentions, citations, and answer engines.

Sep 25, 2026Ryan Brown

artificial-intelligence

Image AI in 2026 — How Text-to-Image Models Work and What to Use Them For

A practical guide to image AI: how diffusion models generate pictures, where they excel, and how to integrate them responsibly into real products.

Sep 25, 2026

Latest Posts

technology

StarkWare Slashes Quantum-Safe Bitcoin Transaction Costs 79% Using AI

A weeklong optimization challenge reduced the estimated GPU cost of preparing a quantum-resistant Bitcoin transaction from $320 to $66.

Sep 24, 2026

blockchain

Circle Launches StableFX: 24/7 Onchain Foreign Exchange on the Arc Blockchain

Circle's new StableFX engine lets vetted institutions trade stablecoin FX pairs around the clock with atomic settlement on Arc mainnet.

Sep 24, 2026

cryptocurrency

Bitcoin Sheds $454 Million in Liquidations as BTC Retreats to $84,000

Roughly $454 million in leveraged long positions were wiped out as Bitcoin fell 2.6% ahead of a major options expiry, amid broader DeFi weakness.

Sep 24, 2026

web3

Trump Administration Eyes Overseas Stablecoin Push to Cement Dollar Dominance

Bloomberg reports the US government may support dollar-backed stablecoin projects abroad through joint ventures with private firms and multiple federal agencies.

Sep 24, 2026

artificial-intelligence

What Factors Influence Whether ChatGPT Recommends a Company?

Sep 24, 2026Miroku Ikeda

blockchain

SEC Clears On-Chain Trading of Tokenized U.S. Stocks Through Innovation Exemption

With the CLARITY Act stalled, the SEC used an innovation exemption to enable on-chain trading of tokenized U.S. equities within 24 hours.

Sep 23, 2026

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Posts Across the Network

In Plain Englishgambling

Coinbase's x402 Protocol Gives AI Agents Their Own Payment Rails on the Internet

Bitcoin and Ethereum ETFs See $500M in Combined Outflows as Institutions Pull Back

Bitcoin Drops Below $109K as Crypto Markets Shed $170 Billion in 24 Hours

Block Adds Bitcoin Lightning to x402, Letting AI Agents Pay for APIs in BTC

Bitget Lost $352 Million in a Backend Spoofing Attack — and North Korea May Be Behind It

What Should You Use to Measure Answer-Engine Visibility by Topic? A Practical Guide

Image AI in 2026 — How Text-to-Image Models Work and What to Use Them For

Latest Posts

StarkWare Slashes Quantum-Safe Bitcoin Transaction Costs 79% Using AI

Circle Launches StableFX: 24/7 Onchain Foreign Exchange on the Arc Blockchain

Bitcoin Sheds $454 Million in Liquidations as BTC Retreats to $84,000

Trump Administration Eyes Overseas Stablecoin Push to Cement Dollar Dominance

What Factors Influence Whether ChatGPT Recommends a Company?

SEC Clears On-Chain Trading of Tokenized U.S. Stocks Through Innovation Exemption

Write about the technologies shaping the future.

Why write for Cubed?

Featured Posts

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Perplexity Opens Its Internet-Scale Search API to Developers

xAI Sues OpenAI Alleging a Coordinated Campaign to Steal Trade Secrets