Achieving 150-millisecond finality on Solana is intended to accelerate settlement for payment providers, trading platforms, stablecoins, and tokenized assets.

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France should tax cryptocurrency conversions into stablecoins

The Alpenglow upgrade targets a reduction in Solana's transaction finality time from approximately 12.8 seconds to roughly 150 milliseconds.

The mainnet activation of Alpenglow represents the largest consensus redesign and infrastructure overhaul in Solana's history.

Coinbase and Marqeta did not disclose a launch date, fee structure, list of supported stablecoins, volume, or revenue figures for their enterprise card agreement.

The stablecoin card service announced on October 16, 2026 is available to both crypto-native companies and traditional non-crypto businesses.

The October 2020 Coinbase debit card allowed individual users to spend cryptocurrencies, including USDC, and earn crypto rewards.

Businesses participating in the Coinbase-Marqeta program can fund their card programs 24/7, bypassing traditional banking operating hours.

Alec Lovett, Coinbase's head of infrastructure products, stated that the Marqeta collaboration combines stablecoin payment rails with issuing and processing technology to deliver real-time global transactions.

Coinbase CEO Brian Armstrong stated in September 2026 that Coinbase is working with banks, fintechs, and other businesses to move payment activity into stablecoins.

Marqeta will handle card issuance, payment processing, and relationships with financial institutions and card networks for the stablecoin card program.

Cardholders will be able to spend stablecoin balances at millions of merchants worldwide that accept traditional credit and debit cards.

Coinbase and Marqeta announced an expanded partnership on October 16, 2026 to enable enterprise customers to issue stablecoin-backed payment cards.

Coinbase will handle custody of stablecoin balances, manage conversion between digital tokens and fiat currency, and run on-chain settlement on its Base blockchain.

Mizuho, MUFG, and SMBC target beginning commercial live transactions of the joint yen stablecoin during fiscal year 2026, which runs from April 2026 to March 2027.

The joint stablecoin pilot was conducted alongside Mitsubishi UFJ Trust and Banking Corporation and technology provider TISI Inc.

Mitsubishi UFJ Bank, Mizuho Bank, and Sumitomo Mitsui Banking Corporation completed a joint pilot test of a yen-based stablecoin from July 17 to July 23, 2026.

The pilot verified the full lifecycle of issuance, transfer, and fiat redemption for cross-border settlements between Mitsubishi Corporation's Japanese headquarters and its overseas bases.

Prior to commercial deployment, the participating banks plan to address governance, regulatory compliance, cybersecurity, and system stability, following the establishment of a joint council in June 2026.

Participants in the cross-border trial evaluated joint bank coordination, anti-money laundering compliance, counter-terrorism financing measures, and wallet infrastructure integrated by TISI Inc.

Mizuho Bank and SMBC's investment arm executed agreements with Ripple Labs to deploy real-world asset tokenization and institutional DeFi solutions on the XRP Ledger.