A node is a computer or device that participates in a blockchain network by maintaining a copy of the ledger and validating data. Nodes communicate with each other to share transactions and blocks, helping keep the network synchronized. Depending on their role, nodes may validate transactions, store full blockchain history, or relay information. Running a node helps improve decentralization, security, and resilience of the network. Nodes operate according to the network’s protocol rules.
Rising energy demand from artificial intelligence data centers is accelerating interest in nuclear power. Bitcoin miners were early adopters of nuclear energy for high-performance computing infrastructure.
Hong Kong regulators are reportedly preparing to issue the city’s first stablecoin licenses, with HSBC and a Standard Chartered-led venture expected among the initial approved issuers.
Organizers of TOKEN2049 have postponed the Dubai edition of the conference to April 2027 due to regional security concerns affecting travel and logistics.
BlackRock has introduced a Nasdaq-listed staked Ethereum ETF that combines spot ETH exposure with staking rewards. The product expands the firm’s digital asset investment lineup.
OP Labs, the team behind Ethereum Layer 2 solution Optimism, laid off 20 employees to focus on core initiatives amid a transitional year for the protocol. The move is strategic, not financial.
A Bloomberg strategist renewed his warning that Bitcoin could fall below $10,000, citing macroeconomic pressures. Other analysts argue that such a decline would require an extreme global liquidity shock.
US prosecutors have asked a federal judge to deny Sam Bankman-Fried’s request for a new trial, arguing that the testimony cited by the defense does not qualify as newly discovered evidence.
The SEC and CFTC signed a memorandum of understanding to coordinate oversight of crypto and other financial markets. The move aims to reduce regulatory overlap and provide clearer guidance for emerging technologies.
Ripple is reportedly planning a $750 million share buyback through April, valuing the company at about $50 billion. The move reflects continued institutional activity around the firm despite volatility in XRP markets.
Mastercard launches Crypto Partner Program with 85+ partners to connect blockchain systems with banks, merchants, and global payments for real-world use cases.