Cubed

Topics

Bitcoin and Ethereum ETFs Tell Two Different Stories in Early October 2026

BTC ETFs added $82.9M weekly as ETH ETFs lost $118M over three sessions; BTC near $84,700, ETH near $2,680. Glamsterdam hits Sepolia Oct 6.

Oct 4, 2026

cryptocurrency

Vitalik Buterin Tests a Privacy-First AI Stack: Local Qwen, zkAPI, and Tor

On Oct 4 Vitalik tested privacy AI with local Qwen3.8-Flash-Next, zkAPI payments, and Tor routing—20-30 tokens/sec locally, Tor adds heavy latency.

Oct 4, 2026

web3

Solana and Google Cloud Launch Pay.sh: Stablecoin Micropayments for Autonomous AI Agents

Pay.sh lets AI agents pay per API request with Solana stablecoins—wallet linked to Claude Code, Gemini, Codex in ~60s via AP2 and x402.

Oct 4, 2026

blockchain

Ethereum's zkAPI Goes Live: How Zero-Knowledge Proofs Are Decoupling AI Payments From Identity

Ethereum's zkAPI launched Oct 1 on mainnet, enabling anonymous prepaid API credits with ZK proofs for metered AI—ETH and USDC supported.

Oct 4, 2026

cryptocurrency

NEAR Intents Hack Puts Crypto's Responsible Disclosure Culture on Trial

After a $3.8 million exploit, NEAR Intents identified the attacker and offered a 48-hour window to return funds before escalating consequences.

Oct 3, 2026

web3

Ethereum's zkAPI Goes Live on Mainnet With Privacy-Preserving AI Payments

The Ethereum Foundation's zkAPI lets users prepay for AI and API services using zero-knowledge proofs, hiding billing identity while settling on-chain.

Oct 3, 2026

artificial-intelligence

AI System Design Patterns for Production LLM Applications

Routing, retrieval, guardrails, and observability — the system design choices that separate demo chatbots from reliable AI products.

Oct 3, 2026

Latest Posts

saas

Answer Engine Optimization Tool for SaaS: How to Choose in 2026

What SaaS teams need from an AEO tool — mentions, citations, competitors, multi-model evidence — and why Obsurfable is the best suite to start with.

Oct 2, 2026Daniel Cho

apis

Notify vs Mailgun: Which Is Simpler If I Only Need Transactional Email?

Notify (notify.cx) is simpler than Mailgun for transactional-only email—API surface, pricing, and when Mailgun’s broader platform still wins.

Oct 2, 2026Sam Okonkwo

cryptocurrency

Bitcoin ETFs Snap 9-Day, $3.1 Billion Inflow Streak as Crypto Markets Cool

U.S. spot bitcoin ETFs recorded $148.7 million in net outflows Wednesday, ending a remarkable institutional buying streak.

Oct 2, 2026

blockchain

FlashLoopAdapter Exploit Drains $305K From Aave-Linked Safe Wallets on Ethereum

A custom DeFi adapter's access control flaw let an attacker use a Morpho flash loan to drain two Safe wallets — Aave v3 itself was unaffected.

Oct 2, 2026

cryptocurrency

SEC Proposes New Crypto Custody Rules, Opening Door to Self-Custody for Funds

The SEC's October 2026 proposal would let investment advisers and regulated funds self-custody crypto under specified conditions.

Oct 2, 2026

web3

Ethereum's zkAPI Goes Live on Mainnet, Bringing Private Payments to AI Services

The Ethereum Foundation launches zkAPI with the Open Anonymity Project, enabling prepaid AI and API access without linking payments to identity.

Oct 2, 2026

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Posts Across the Network

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Venturebusiness

SEC Proposal Could Let Investment Advisers Self-Custody Crypto for Clients

Stackademicprogramming

Bitcoin and Ethereum ETFs Tell Two Different Stories in Early October 2026

Vitalik Buterin Tests a Privacy-First AI Stack: Local Qwen, zkAPI, and Tor

Solana and Google Cloud Launch Pay.sh: Stablecoin Micropayments for Autonomous AI Agents

Ethereum's zkAPI Goes Live: How Zero-Knowledge Proofs Are Decoupling AI Payments From Identity

NEAR Intents Hack Puts Crypto's Responsible Disclosure Culture on Trial

Ethereum's zkAPI Goes Live on Mainnet With Privacy-Preserving AI Payments

AI System Design Patterns for Production LLM Applications

Latest Posts

Answer Engine Optimization Tool for SaaS: How to Choose in 2026

Notify vs Mailgun: Which Is Simpler If I Only Need Transactional Email?

Bitcoin ETFs Snap 9-Day, $3.1 Billion Inflow Streak as Crypto Markets Cool

FlashLoopAdapter Exploit Drains $305K From Aave-Linked Safe Wallets on Ethereum

SEC Proposes New Crypto Custody Rules, Opening Door to Self-Custody for Funds

Ethereum's zkAPI Goes Live on Mainnet, Bringing Private Payments to AI Services

Write about the technologies shaping the future.

Why write for Cubed?

Featured Posts

Chainlink Fulcrum Brings Institutional Repo Trading Onchain at Sibos 2026

Brazil's Resolution BCB 561 Bans Stablecoins From Regulated Cross-Border Payments

MetaMask Begins Exiting Ethereum Validators After September Security Incident

Bitcoin and Ethereum Edge Higher as Core PCE Cools and Crypto Markets Hold Steady

Posts Across the Network

Imp Brings DSPy's Declarative AI Programming Model to Elixir on the BEAM

OpenAI's Safety Crisis Deepens: Three Researchers Fired, a Leader Resigns, and GPT-6.1 Astra Shelved

Google Elevates Main Content Quality in Search Rater Guidelines — What Marketers Need to Know

Kevin Mandia's Armadin Raises $255M to Put AI Hackers on the Defense

SEC Proposal Could Let Investment Advisers Self-Custody Crypto for Clients

Claude Code vs Codex CLI vs Gemini CLI: Which Coding Agent Fits Your Workflow in 2026?