GCSA Insight: BlockBeats Poisoned by DarkSword Attack Chain, iPhone Wallets at Risk of Theft
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OpenSea
About the Company
OpenSea, a non-fungible token marketplace based in New York City, was established in 2017 by Devin Finzer and Alex Atallah. The platform provides an online marketplace where non-fungible tokens can be sold either at a set price or through auction-style transactions.
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HKU and Global Cybersecurity Alliance Jointly Establish Centre for AI and Cybersecurity Research
The University of Hong Kong (HKU) and the Global Cybersecurity Alliance (GCSA) announced the joint establishment of the Centre for AI and Cybersecurity Research.
ZoeyResearch and Analysis Report on the Google Engineer Charged with Insider Trading on Polymarket
Google software engineer Michele Spagnuolo had been charged with using non-public “Year in Search 2025” data accessible through Google's internal systems to trade related event contracts on the prediction market platform Polymarket.
GCSA InsightGlobal Cybersecurity Alliance Insights: 344 million USDT on the TRON blockchain frozen by OFAC—Stablecoin regulatory risks once again draw heightened attention
On April 23, 2026, Tether announced that it had cooperated with the U.S. Department of the Treasury and law enforcement agencies to freeze two USDT addresses on the TRON network, with a total frozen amount of approximately 344 million USDT.
GCSA InsightEthereum 2029 Strawmap for Dummies
This document details Ethereum's future upgrade roadmap, named "Strawmap".
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Bybit Finally Gets Green Light to Serve Dubai Crypto Traders After Years of Regulatory Approvals
Bybit has secured an active licence from Dubai’s VARA to offer spot trading to institutional, qualified and retail investors after years of non-operational approvals. The exchange plans to seek further approval for derivatives trading and has also applied for a crypto licence in Brazil.
AnaisBitMine’s Ethereum Holdings Reach 6.04 Million ETH as Tom Lee Pushes Towards 5% Supply Target
BitMine bought 12,535 ETH, raising its total holdings to 6.04 million ETH, or 4.9% of Ethereum’s supply, while its total treasury value fell from $16.2 billion to $15.1 billion in a week. Chairman Tom Lee blamed the crypto sell-off on AI concerns, geopolitical tensions and rising bond yields, but said BitMine still sees buying opportunities as it approaches its 5% Ethereum ownership target.
AnaisTether Backs Mural's Plan to Help Businesses Manage Cross-Border Payments and AI Transactions
Mural raised $15 million in a Tether-led funding round, bringing its total funding to $28 million. The fintech has processed $2.1 billion across 128 countries and plans to expand its stablecoin payments and compliance infrastructure.
AnaisMalaysia, Thailand Join Singapore’s Push To Streamline Cross-Border Stablecoin Payments
Malaysia and Thailand are joining Singapore’s efforts to streamline cross-border payments through stablecoins and tokenized bank deposits, expanding regional cooperation on blockchain-based financial infrastructure.
XingChiMastercard Tests AI Payments That Let Agents Buy Services From Multiple Sellers Without Human Approval for Every Transaction
Mastercard has opened early access to Agent Pay for Machines after demonstrating an AI agent making nine payments to two sellers for research and campaign images within one approved budget. The system uses Coinbase’s x402 protocol to support automated payments in fiat currencies and stablecoins, but is not yet commercially available.
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