Explained
Clear explanations of the systems behind the headlines. Browse our topic desks or Daily 9.

Daily 9: October 21, 2026 | Agent Payments and Software
Nine verified updates on agent payments, stablecoin payouts, software security and consumer tech.

What Is a Digital Wallet? Cards, Tokens and Stored Balances
A digital wallet stores the details you pay with. Whether it also holds your money changes what protects you.

Daily 9: October 20, 2026 | AI Controls and Everyday Money
Nine updates on AI controls, cross-border money, stablecoin security, shopping and photo software.

Daily 9: October 19, 2026 | Home AI and Faster Markets
Nine verified updates on smart-home AI, science funding, stablecoins and faster EU markets.

What Is Quantum Error Correction? How Logical Qubits Survive
How codes, syndromes and decoders turn fragile physical qubits into more reliable logical qubits.

Daily 9: October 18, 2026 | AI Rules and Digital Trust
Nine verified updates on AI controls, bank regulation, crypto notices and software security.

What Is a Large Language Model? How LLMs Work
A large language model predicts tokens from context. How training and transformers turn that into useful text.

Daily 9: October 16, 2026 | Research Access and Global Money
Nine verified updates on research AI, payments, stablecoins, browser security and mobile software.

Daily 9: October 15, 2026 | Applied AI and Crypto Readiness
Nine verified updates on applied AI, payments, crypto readiness, workflow security and connected devices.

How to Move an Authenticator App to a New Phone
Move authenticator codes safely, test real sign-ins, and avoid losing access when you change phones.

What Is a Smart Contract? How Blockchain Programs Work
A smart contract is a blockchain program that runs exactly as written. How it works and where it fails.

Daily 9: October 14, 2026 | AI Controls and Stablecoin Cards
Nine verified updates on enterprise AI controls, cards, stablecoins, open source and device security.

How Does Apple Pay Work? Tokens, the Secure Element and Privacy
How Apple Pay keeps your card number from stores: a device-only token, the Secure Element and a one-time code.

Daily 9: 2026-10-12 | Safer Agents and Tokenized Stocks
Nine verified developments in AI safety, payments, crypto infrastructure and connected products.

What Is an eSIM? How Digital SIMs Work on Your Phone
An eSIM is a SIM built into your phone that downloads your carrier's profile instead of using a plastic card.

Daily 9: 2026-10-11 | Agent Safety, Protocols and Security
Nine developments in agent safety, payments, crypto, software security and connected products.

What Is a Seed Phrase? How Recovery Words Control a Wallet
A seed phrase is the 12 to 24 words that can rebuild a self-custody wallet. How it works and how to keep it safe.

Daily 9: 2026-10-10 | Agent Payments and Connected Homes
Nine developments in agent payments, lending, browser security, software profiling and connected devices.

How Does Buy Now, Pay Later Work? Payments, Fees and Credit
BNPL splits a purchase into repayments. Check the schedule, fees and credit terms before accepting.

Daily 9: 2026-10-09 | Creative AI, Payments and Security
Nine new developments in creative AI, payments, Bitcoin collateral, authentication and spatial audio.

The Daily 9: October 8, 2026 | AI, Payments and Privacy
Nine developments in AI, payments, crypto and device security, with event dates and rollout limits.

What Is End-to-End Encryption? Devices, Keys and Backups
Encryption protects a message between its endpoints.

How Does Quantum Computing Work? From Gates to Results
Follow a quantum circuit from qubit preparation through gates, interference and measurement to a classical result.

Authenticator App vs SMS: How the Login Codes Differ
App codes avoid phone-number delivery, but app and SMS codes can both be phished.
