Month: April 2025

Ethena Agrees With Regulator to Withdraw From German Market

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Decentralized finance (DeFi) protocol Ethena has agreed to wind down its operations in Germany. The decision comes three weeks after BaFin, Germany’s finance regulator, identified “serious deficiencies” in Ethena’s USDe token and said that the company was offering securities in Germany without approval. “We have agreed with BaFin to wind down all activities of Ethena … Read more

Blockchain Consensus Mechanisms, Once and For All: PoW, PoS, and Rollups

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Table of Links Abstract and 1. Introduction Key Concepts 2.1 Append-Only Log and 2.2 Virtual Machine State 2.3 Transactions As Curried Functions 2.4 Natural Names of State 2.5 Ground Truth 2.6 Efficient Representations of State 2.7 Checkpoints 2.8 Execution Parameters: callData 2.9 Execution Ordering 2.10 Deciding on the Correct State Ideal Layer 2 Design 3.1 … Read more

Why L2s on Public Chains Offer the Best of Both Worlds

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Table of Links Abstract and 1. Introduction Background 2.1 Layer-2 Blockchains 2.2 Project Mariana Related Work and Contribution System Architecture Model 5.1 Automated Market Makers 5.2 Price Impact Simulation 6.1 Data and Parameters 6.2 Results Discussion Conclusions, Acknowledgements, and References Graphs and Tables 7 Discussion The primary consideration when establishing cross-border CBDCs exchange is the … Read more

Where to buy refurbished products

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Buying a refurbished device rather than a new one can save you a ton of money. It can also be a savvy method of getting what you want during yet another moment of global trade instability, with the latest blow coming from the Trump administration’s intense tariffs on US imports from China. However, these products … Read more

Polygon Labs’ Marc Boiron on Unifying Blockchains

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Marc Boiron, CEO of Polygon Labs, speaks with a practiced clarity that reflects his background as a lawyer. Over the course of our conversation, he outlines Polygon’s strategy to position itself as the connective tissue in an increasingly crowded blockchain ecosystem. As competition intensifies and market conditions fluctuate, Polygon is betting on a new product … Read more

AI Crypto Tokens Nurse Losses as Nvidia Bearish Options Bets Cross the Tape

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Tokens associated with artificial intelligence (AI) fared worse than the biggest cryptocurrencies over the past 24 hours. The relative weakness comes amid unusual activity in put options tied to shares of Nvidia (NVDA), the chipmaker that on Monday said it will will start building its AI supercomputers in the U.S. While bitcoin (BTC), the largest … Read more

Pump.Fun’s PumpSwap DEX processed $2.5B of trades last week, up 40%

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Market data shows PumpSwap, the decentralized exchange of memecoin launch platform Pump.Fun, processed $2.5 billion of trades last week. DefiLlama data shows that in the week of April 6, PumpSwap saw a trading volume increase of nearly 40% over the previous week starting on March 30, with its trading volume of $1.8 billion. Since its launch in … Read more

Crypto’s debanking problem persists despite new regulations

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The crypto industry’s inability to access banking services still concerns many industry observers despite recent policy victories. In past years, financial services firms and banks concerned about fiduciary risk, reporting liabilities and reputational risk often would refuse to offer service to crypto firms — i.e., “debanking” them.  Legislative efforts in the United States and Australia … Read more

CoinDesk 20 Performance Update: Bitcoin Cash (BCH) Gains 1% as Index Trades Flat

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CoinDesk Indices presents its daily market update, highlighting the performance of leaders and laggards in the CoinDesk 20 Index. The CoinDesk 20 is currently trading at 2503.6, up 0.1% (+3.51) since 4 p.m. ET on Monday. Eight of 20 assets are trading higher. Leaders: BCH (+1.0%) and BTC (+0.7%). Laggards: APT (-3.5%) and NEAR (-3.0%). … Read more

Zero Hash Processed $2B in Flows to Tokenized Funds as RWA Demand Accelerates

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Zero Hash, a crypto infrastructure firm specializing in stablecoin payment rails, said it has processed over $2 billion in tokenized fund flows over the past four months as demand for real-world assets is accelerating. Tokenized real-world assets is a red-hot crypto sector, with several global traditional financial firms leveraging blockchain rails to record ownership and … Read more

How Swap Volume and Gas Fees Impact CBDC Exchange Costs

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Table of Links Abstract and 1. Introduction Background 2.1 Layer-2 Blockchains 2.2 Project Mariana Related Work and Contribution System Architecture Model 5.1 Automated Market Makers 5.2 Price Impact Simulation 6.1 Data and Parameters 6.2 Results Discussion Conclusions, Acknowledgements, and References Graphs and Tables 6.2 Results The simulation outcomes are depicted in Figs. 4, 5 and … Read more

Understanding CallData in Blockchain Transaction Execution

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Table of Links Abstract and 1. Introduction Key Concepts 2.1 Append-Only Log and 2.2 Virtual Machine State 2.3 Transactions As Curried Functions 2.4 Natural Names of State 2.5 Ground Truth 2.6 Efficient Representations of State 2.7 Checkpoints 2.8 Execution Parameters: callData 2.9 Execution Ordering 2.10 Deciding on the Correct State Ideal Layer 2 Design 3.1 … Read more

Nanoleaf’s new pegboard dock lights up your accessories and room

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Nanoleaf’s Pegboard Desk Dock illuminates your desk, wall, and organized accessories. | Image: Nanoleaf The latest addition to Nanoleaf’s lineup does more than just light up a room. Like the company’s Expo Smart Display Cases, Nanoleaf’s new Pegboard Desk Dock is designed to both organize and put accessories like controllers and headphones on display using … Read more

MIT-Incubated Optimum Raises $11M Seed Round to Build Web3’s Missing Memory Layer

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Optimum, a decentralized, performance-enhancing memory layer for any blockchain, raised an $11 million seed round, inviting its creators from institutions like Harvard and MIT to jump from the world of academia into the commercial crypto arena. The seed round was led by 1kx with participation from Robot Ventures, Finality Capital, Spartan, CMT Digital, SNZ, Triton … Read more