Custodial vs non-custodial wallets: who holds your keys, and what each one risks
With a custodial wallet a company holds your private keys. With a non-custodial wallet you do. What each one protects against and how each one fails.
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What Is the Crypto Fear and Greed Index? What the 0 to 100 Score Measures
A crypto fear and greed index scores market mood from 0 (extreme fear) to 100 (extreme greed). How three major versions are built and how to read them.
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Lagarde: energy shock too large to look through, but a measured response remains appropriate
Lagarde says the ECB won't ignore the energy shock but will respond in measured steps. Rates at 2.50%, inflation at 3.8%, and what to watch on 29 Oct.
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What Is Ethereum? How the Network, Ether and Smart Contracts Work
Ethereum explained: the network, ether (ETH), smart contracts, gas fees, staking with 32 ETH, and upgrades from launch in 2015 to Fusaka in 2025.
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What Is an Order Book in Crypto and How Does It Match Trades?
An order book lists every resting buy and sell order for one market. How price-time priority matches trades, what the spread shows, and market vs limit orders.
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What is impermanent loss in crypto? The gap between a liquidity pool and simply holding
Impermanent loss is how far a 50/50 pool deposit trails holding the same tokens: about 5.7% after a 2x price move and 25.5% after 5x, before fees.
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Moving crypto between your own wallets isn't taxable, but fees and records still matter
Moving crypto between your own wallets isn't taxable, but a fee paid in crypto is a disposal and missing records can mean a zero-basis 1099-DA.
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Ethereum gas fees explained: units of gas used × (base fee + priority fee)
How an Ethereum gas fee is calculated: gas used × (base fee + priority fee). Worked example, who gets each part, why fees move, how to pay less.
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Is Bitcoin a Store of Value? The Definition, the 21 Million Cap and the Volatility Objection
Bitcoin's 21 million cap is fixed in its code, but its price is not stable. What a store of value means, how bitcoin's supply works and the volatility case.
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Where to keep your crypto and how to back up your wallet
Keep crypto on an exchange only while trading, hold savings offline, back up your wallet offline and never share your key. Official guidance, checked.
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Public vs private keys in crypto: which one to share and which to guard
Your public key (or the address made from it) is for receiving crypto. Your private key signs spends and must never be shared. How the pair works.
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Staking vs yield farming: what each earns, what each risks, how much work each takes
Staking locks tokens to secure a proof-of-stake network; yield farming lends or pools crypto in DeFi. Rates, risks, lock-ups and US rules compared.
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Bear flag pattern: how the target is set and what it does not predict
A bear flag's target is the breakdown price minus the pole height. Tested stock data puts the share of patterns that reach it at 46%.
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Crypto day trading: how a trade works, what it costs and three checks first
Crypto day trading opens and closes positions within a day. How a trade runs, which costs eat the margin, three checks first and what studies show.
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Apple's SelfCompact: when AI agents should summarize their own context
Apple and Johns Hopkins researchers say an AI agent compacts its context better with a short rubric that says when to summarize and when to wait.
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Mix or tune? Apple researchers say adding English beat hyperparameter tuning for Arabic pre-training
Apple-linked researchers ran about 1,000 Arabic pre-training runs. Mixing in English beat hyperparameter tuning, and the lead grew with model size.
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Tether backs EFY Finance's seed round: what the deal covers and what USA₮ holders give up
Tether joined EFY Finance's seed round on Oct. 13, 2026, amount undisclosed. USA₮, though bank-issued, has no FDIC, SIPC or other government insurance.
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Crypto tax: what triggers IRS reporting and which forms apply
When US crypto activity must be reported, where it goes (Form 8949, Schedule D, Schedule 1) and what Form 1099-DA covers in 2025 and 2026.
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Microsoft Maia 300 explained: 2027 deployments and a multi-gigawatt plan
Maia 300 is Microsoft's next AI inference chip, planned for production in 2027. Specs, rack design and how to read Microsoft's efficiency claims.
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NVIDIA and Cisco USFP: 400Gb/s-per-lane optics, 4x bandwidth, about 1.3x efficiency
NVIDIA and Cisco's planned USFP optics run 400Gb/s per lane: 4x the bandwidth of 200G modules, ~1.3x the efficiency, no ship date yet.
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How to Use a Blockchain Explorer: Match the Chain, Search the TxID, Check the Address
Check a crypto transfer in a blockchain explorer: find the right chain, paste the TxID, read the status and confirm the receiving address in full.
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Crypto liquidation price: how a 10% drop wipes out a 10x long
How a crypto liquidation price is set, why a 10x long loses its margin after a drop of about 10%, and why the real close-out usually comes sooner.
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AlloX and Gacha Galaxy token sales: what the Oct. 12–13 calendar dates turned into
AlloX opened its $1M sale on Oct. 12 at $0.065 with no TGE date yet. Gacha Galaxy's Oct. 13 IDO at $0.0035 rests on one aggregator listing.
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How to sell Pi coin: KYC, migration and the September 2026 fixes
You can sell PI only after KYC approval, Mainnet migration and access to a venue with deposits and liquidity. Pi's Sept. 17, 2026 fixes explained.
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BNB Chain zero-fee USDC, USD1 and U transfers: routes, limits and the Oct. 31, 2026 deadline
BNB Chain waives fees on USDC, USD1 and U until Oct. 31, 2026: exchange withdrawals, direct BSC wallet transfers (USDC 2 a day) and two USDC bridges.
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Cloudflare Managed Defense beta: how its AI alert reviews work
Cloudflare's Managed Defense beta collects evidence with fixed code, then runs four AI agents and checks their citations. A human analyst still decides.
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Geth 1.17.8 security fixes: what changed and which version to run now
Geth 1.17.8 fixed five p2p DoS bugs, two tied to the Amsterdam fork. Run v1.17.10, which keeps the fixes and postpones Amsterdam on Hoodi.
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Samsung Wallet to add USDC for eligible U.S. Galaxy users in late October, Sui says
Samsung Wallet adds USDC transfers for eligible U.S. Galaxy users from the last week of October 2026, with Sui and Solana as network partners.
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Waller expects more Fed rate hikes if data come in as expected, with timing left open
Fed Governor Waller said on Oct. 8, 2026 he expects more rate hikes if data come in as expected, but did not tie them to consecutive meetings.
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Databricks Apps on-behalf-of-user authorization is GA: how it works and how to set it up
Databricks Apps can now act as the signed-in user, with Unity Catalog permissions applied. How OBO works, which scopes to add and what admins control.
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