Varyante
Show HN: Saltmere, a browser-based city builder about sea-level rise
I built Saltmere to show how the rise in sea level might affect coastal cities, and what can be done to cope with the effects. The projections are based on real research (IPCC AR6 projections for the Hoek van Holland tide gauge; tides, weather effect...
Tell HN: Unbounce Security Incident
Got this email a bit ago:We detected a security event that began on or about October 14, 2026 that may have resulted in the exposure of keys for Unbounce’s integration with third party applications. You are receiving this notice because your former U...
Ask HN: Is the downside of investing in AI real?
Some global tech leaders believe that investing in AI is an imperative. However, they should bear the following in mind:- Every time AI is used, it costs the AI providers money in processing power, electricity, and cooling. To capture market share, t...
Bitcoin seeks support above $81K as Brent crude oil hits highest level since March
Bitcoin dipped below $81,000 as stocks fell and Brent crude hit its highest level since March, leaving the 50-day moving average in focus.
Everyone’s talking about Roth conversions, but here’s how few people really do them — and why you shouldn’t have FOMO about it
You have to do the math to figure out your best tax strategy in retirement, and converting might not be for you.
This hot AI-fueled stock has been in a rut. It just beat earnings expectations by 36%.
A company beating earnings expectations by 36% and revenue expectations by 15% would usually see a postresults bump. But not for Bloom Energy, the fuel-cell maker that has flourished due to data-center demand.
Surging economy gets off to a good start in the fourth quarter — but there’s one big problem
Warning signs are emerging that consumers will be hit with rising prices.
‘She’s living the dream’: My stepmother said I can buy my childhood home for $850,000. Is she taking advantage of me?
“My late father bought our house for $250,000 in the 1990s.”
Robinhood sees surge in bitcoin, gold prediction markets as traders move beyond sports
The company's head of futures and prediction markets said bitcoin, gold and oil contracts are among its fastest-growing prediction markets.
China targets 2030 for its national blockchain network buildout
China’s five-year digital development plan calls for wider blockchain use in trade and manufacturing alongside stronger technical standards.
Over 40% of Americans are heading toward retirement ‘blind’ — with no plan
Nearly half of Americans haven’t calculated what they’ll need in retirement.
New York AG seeks $1.37B from NovaTech founders over Ponzi scheme
The request follows an August 2025 default judgment, with the AG also announcing nearly $6 million in settlements with four promoters.
Smart financial advisers are dropping ROI, NAV and QCD for plain English when talking to clients
Not everyone is familiar with the ABCs of financial planning
Bitcoin consolidates after 3% loss as AI fears stoke fresh stock-market weakness
Bitcoin price volatility cooled as stock markets battled another day of resurgent AI fears during Friday’s Asia trading session.
Bitcoin Core changes security rules as AI makes finding code bugs dangerously easy
Developers merged a policy change that ends the months-long embargo for flaws a chatbot could rediscover, after a summer in which AI found hundreds of bitcoin bugs before the humans did.
Was crypto self-custody ever designed for beginners?
Recent hardware wallet security incidents have renewed debate over whether self-custody is suitable for beginners, as multisig and seedless designs carry their own risks.
Bitcoin's price is as jumpy as Nvidia's and eight times more turbulent than the euro
Your day-ahead look for Oct. 23, 2026
Bitcoin steadies near $81,700 as altcoins rebound, pepe climbs 13%
Bitcoin rose 0.5% to around $81,700 since midnight UTC while the CoinDesk 80 gained 1.4% and memecoins climbed 2.9%.
Bitcoin appears to have decoupled from midterm cycle bottom history
Previous bitcoin bear-market lows followed U.S. midterms, but this year’s recovery raises the possibility that the bottom arrived months earlier.
HSBC rolls out its first stablecoin to over 3 million everyday app users
HSBC and Standard Chartered-led Anchorpoint received Hong Kong’s first stablecoin issuer licenses in April. Anchorpoint began rolling out HKDAP in August.