The TechBeat: Is Web3 Advertising Finally Solving Its Targeting Problem? Addressable & Sevio Expand Web3 Ads Reach (4/1/2025)

How are you, hacker? 🪐Want to know what’s trending right now?: The Techbeat by HackerNoon has got you covered with fresh content from our trending stories of the day! Set email preference here. ## Win Your Share of $5000 in the Web3 Development Writing Contest by GetBlock and HackerNoon By @hackernooncontests [ 3 Min read … Read more

Finally, an e-bike that charges off USB-C

Up to 140W off a USB-C PD 3.1 laptop charger you might already own. | Image: Ampler Ampler made one of the first modern e-bikes I ever tested, and now it’s selling the first commercial electric bikes — the Nova and Nova Pro — I’m aware of that can be charged over a USB-C port integrated right … Read more

SpaceX flight bankrolled by crypto investor launches first manned polar orbit

Elon Musk’s SpaceX has sent a crew of four private astronauts on the first manned space flight to orbit the Earth’s poles, in a mission bankrolled and led by a wealthy crypto investor. Chun Wang, the Chinese-born Maltese entrepreneur who founded the Bitcoin (BTC) mining pool F2Pool, paid for and is leading SpaceX’s “Fram2” mission, … Read more

Bitcoin price gearing up for next leg of ‘acceleration phase’ — Fidelity research

A recent Fidelity Digital Assets report questioned whether Bitcoin price had already seen its cyclical “blow off top” or if BTC (BTC) is on the cusp of another “acceleration phase.”  According to Fidelity analyst Zack Wainwright, Bitcoin’s acceleration phases are characterized by “high volatility and high profit,” similar to the price action seen when BTC … Read more

Vanuatu passes long-awaited crypto laws that won’t be ‘light touch’

Vanuatu has passed laws to regulate digital assets and provide a licensing regime for crypto companies wanting to operate in the Pacific island nation, which a government regulatory consultant has called “very stringent.”  The local parliament passed the Virtual Asset Service Providers Act on March 26, giving crypto licensing authority to the Vanuatu Financial Services … Read more

Spynn Publicity Helps AI Startups Win the PR Battle in the US Funding Surge

The U.S. AI sector constantly shifts, and startups attract significant investments. In 2025 alone, at least nine AI companies have raised over $100 million each. Anthropic secured an astounding $3.5 billion in Series E funding, while Together AI obtained $305 million in a Series B round. The influx of capital has prompted startups to manage … Read more

zkLend hacker claims losing stolen ETH to Tornado Cash phishing site

The hacker behind the $9.6 million exploit of the decentralized money-lending protocol zkLend in February claims they’ve just fallen victim to a phishing website impersonating Tornado Cash, resulting in the loss of a significant portion of the stolen funds. In a message sent to zkLend through Etherscan on March 31, the hacker claimed to have … Read more

SIR.trading begs hacker to return $255K or ‘no chance for us to survive’

The founder of the recently hacked decentralized finance protocol SIR.trading has made an emotional plea to the attacker, asking them to return around 70% of the stolen customer funds otherwise, the protocol will not survive. “Here is my proposal, keep $100k as a fair share for your critical bug find, and return the remaining,” SIR.trading’s … Read more

Coinbase CEO calls for change in stablecoin laws to enable ‘onchain interest’

Coinbase CEO Brian Armstrong is calling for legislative changes in the US to allow stablecoin holders to earn “onchain interest” on their holdings. In a March 31 post on X, Armstrong argued that crypto companies should be treated similarly to banks and be “allowed to, and incentivized to, share interest with consumers.” He added that … Read more

Extracting Social Support and Isolation Info From Clinical Psychiatry Notes: SS and SI Categories

Table of Links Abstract and 1. Introduction 2 Data 2.1 Data Sources 2.2 SS and SI Categories 3 Methods 3.1 Lexicon Creation and Expansion 3.2 Annotations 3.3 System Description 4 Results 4.1 Demographics and 4.2 System Performance 5 Discussion 5.1 Limitations 6 Conclusion, Reproducibility, Funding, Acknowledgments, Author Contributions, and References SUPPLEMENTARY Guidelines for Annotating Social … Read more

How We Used EHR Data to Develop the SS/SI NLP Pipeline

Table of Links Abstract and 1. Introduction 2 Data 2.1 Data Sources 2.2 SS and SI Categories 3 Methods 3.1 Lexicon Creation and Expansion 3.2 Annotations 3.3 System Description 4 Results 4.1 Demographics and 4.2 System Performance 5 Discussion 5.1 Limitations 6 Conclusion, Reproducibility, Funding, Acknowledgments, Author Contributions, and References SUPPLEMENTARY Guidelines for Annotating Social … Read more

Extracting Social Support and Social Isolation Information From Clinical Psychiatry Notes

Table of Links Abstract and 1. Introduction 2 Data 2.1 Data Sources 2.2 SS and SI Categories 3 Methods 3.1 Lexicon Creation and Expansion 3.2 Annotations 3.3 System Description 4 Results 4.1 Demographics and 4.2 System Performance 5 Discussion 5.1 Limitations 6 Conclusion, Reproducibility, Funding, Acknowledgments, Author Contributions, and References SUPPLEMENTARY Guidelines for Annotating Social … Read more