Category: Blockchain

Visa Becomes Anchor Validator on Tempo Blockchain for Stablecoin Payments

Peter Zhang Apr 14, 2026 18:50 Visa launches in-house validator node on Stripe’s Tempo blockchain, joining anchor validators for stablecoin settlement as payment giants race to build crypto infrastructure. Visa has officially entered the transaction validation business. The payments giant launched an in-house validator node on Tempo, the Layer 1 blockchain co-developed by Stripe and Paradigm, marking its deepest operational commitment to blockchain infrastructure yet. The node, developed over six months with Tempo’s engineering team, positions Visa as an “anchor validator” alongside…

Visa Launches Validator Node on Tempo Blockchain for Stablecoin Payments

Visa has launched a validator node on the Tempo blockchain, taking a direct role in verifying and processing transactions on a network designed for real-time stablecoin payments. Visa said the node is operated in-house using its own infrastructure and was developed over six months working with Tempo’s engineering team, positioning the company as an “anchor validator” alongside early participants including Stripe and Zodia Custody. The role places Visa in the transaction validation layer, where it helps order and confirm payments while supporting network security and performance during the network’s early…

AVAX Powers Global Telescope Network With Blockchain-Verified Sky Data

Felix Pinkston Apr 14, 2026 13:39 SkyMapper launches dedicated Avalanche L1 with 52 telescopes across six continents, introducing Proof of Space Observation for verifiable astronomical records. A network of 52 telescopes spanning six continents now records astronomical observations directly to an Avalanche Layer 1 blockchain, marking what developers claim is the first production-scale integration of scientific research infrastructure with decentralized verification. SkyMapper, the project behind the deployment, introduced a mechanism called Proof of Space Observation (POSO) that timestamps and cryptographically signs telescope…

Circle Builds Quantum Defense Into Its New Blockchain Before Hackers Get The Chance

Trusted Editorial content, reviewed by leading industry experts and seasoned editors. Ad Disclosure Bitcoin could be cracked in nine minutes. That’s the warning Google put out recently, and it’s part of what’s pushing companies like Circle to act now rather than wait. Arc Becomes A Testing Ground For Quantum Security Circle, the company behind the USDC stablecoin, has unveiled a quantum-resistant security roadmap for Arc, its layer-1 blockchain currently running on public testnet. The plan is phased. When Arc goes live on mainnet — expected sometime in 2026 — users…

JPMorgan CEO Flags Blockchain Rivals as Kinexys Scales

JPMorgan CEO Jamie Dimon said “new technologies” are intensifying competition across the financial sector, with blockchain-based players emerging alongside traditional rivals. In his annual shareholder letter on Monday, Dimon identified artificial intelligence, data and advanced technology as “key to the future,” signaling a shift toward more automated, data-driven financial services. While blockchain and digital assets were not a central focus, Dimon acknowledged that “a whole new set of competitors is emerging based on blockchain, which includes stablecoins, smart contracts and other forms of tokenization.” The comments come as JPMorgan continues…

China’s Tax Authority Urges Bank Blockchain Implementations for Lending

China’s tax and financial regulators on Monday urged banks and local authorities to use blockchain and privacy computing to upgrade the “bank-tax interaction” model and expand financing for small businesses. The State Administration of Taxation and National Financial Regulatory Administration said in a joint policy notice that banks and taxpayers should standardize data sharing and reduce information asymmetry between tax authorities, banks and enterprises. The report also urged banks to improve credit models, enhance credit approval efficiency and increase the supply of financing services to “honest, tax-paying enterprises.” The directive…

Dune Launches dbt Integration for Direct Blockchain Data Warehouse Delivery

Zach Anderson Apr 03, 2026 17:25 Dune’s new dbt connector lets data teams transform onchain data before syncing to Snowflake or BigQuery, eliminating post-delivery pipeline work. Dune Analytics has rolled out a dbt connector that lets enterprise data teams transform blockchain data before it hits their warehouse—a capability the company claims no other provider currently offers. The product, dubbed dbt connector → Datashare, creates a direct pipeline from Dune’s catalog of 130+ blockchain networks to Snowflake or BigQuery. The twist: users can…

Tempo Blockchain Launches on Dune Analytics Platform

Jessie A Ellis Apr 03, 2026 11:17 Stripe-backed Tempo blockchain now available on Dune, enabling detailed analysis of its stablecoin-native payment infrastructure and sub-second finality. Tempo, the payments-focused blockchain co-developed with Stripe, has integrated with Dune Analytics, giving researchers and institutions their first comprehensive look at onchain payment flows across the network. The integration, announced April 3, opens up queryable data on Tempo’s core infrastructure—transaction throughput, stablecoin transfers, DEX activity, and the chain’s unusual fee dynamics where users pay gas costs directly…

Naoris Launches Post-Quantum Blockchain as Quantum Risks Grow

Naoris Protocol has launched its mainnet, introducing a layer-1 blockchain designed to use post-quantum cryptography for transaction validation and network security. The network is live with limited, invite-only participation, allowing early users to run validator nodes and process transactions. According to an announcement shared with Cointelegraph, it integrates cryptographic standards finalized by the National Institute of Standards and Technology (NIST) to address risks in existing blockchains, where current encryption methods could become vulnerable over time. Before mainnet, the protocol’s test network processed more than 100 million transactions and identified hundreds…

Mitsubishi Goes Blockchain With JPMorgan For Payments Upgrade

Trusted Editorial content, reviewed by leading industry experts and seasoned editors. Ad Disclosure Daily transaction volumes for JPMorgan’s blockchain-based payment system are approaching $10 billion as the bank expands its reach into the industrial sector. The financial giant is rebranding its suite of digital asset services under the name Kinexys, moving away from the previous Onyx label. This shift comes as the bank integrates major global corporations into its private network to handle massive cross-border capital flows. Among the latest to join is Mitsubishi Corporation, the Japanese conglomerate with vast…