JPMorgan participates alongside over 30 banks in helping Swift define governance and features for Swift's blockchain-based ledger, though JPMorgan was not listed among 17 banks preparing live transaction pilots

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In January 2026, JPMorgan announced plans to deploy JPM Coin natively on the Canton Network as part of its strategy to explore multiple blockchain environments

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

Solana research firm Anza spent 18 months developing the Alpenglow upgrade prior to its scheduled mainnet migration.

Qubic network validators halted mainnet operations at tick 85,371,949 to lock the ledger in place following the October 18, 2026 Qubic wallet drain

Deciding whether to compensate victims of the October 18, 2026 Qubic wallet drain rests with Qubic's Computor cluster, the group of network operators who vote on governance decisions

Blockchain intelligence firm TRM Labs assisted law enforcement and private partners in locating and freezing cryptocurrency assets linked to YAM Store

Mainland China has maintained a ban on commercial cryptocurrency trading, fundraising, and mining services since at least 2021, while continuing to support underlying blockchain technology development

Circle CEO Jeremy Allaire stated that businesses and individuals in emerging markets are turning to stablecoins for digital-dollar payments and financial services as blockchain moves into a mainstream scaling phase

The XRP Ledger serves as the underlying blockchain network for RLUSD stablecoins while operating distinctly from XRP, the native asset of the ledger

Transactions processed on the XRP Ledger typically settle in three to five seconds with low transaction fees

Solana scheduled an upgrade to replace the network's legacy Tower BFT consensus mechanism on Wednesday, October 21, 2026

Solana's October 2026 upgrade replaces on-chain vote transactions with direct validator-to-validator certificate bundling

Mert Mumtaz joined the NEAR Foundation Council governing board

Solana scheduled the App and Glow upgrade for October 14, 2026 to reduce network transaction settlement times to 150 milliseconds

In an advisory sentiment vote, 99.9% of 180 million Starknet (STRK) tokens voted in favor of transitioning Starknet into a Layer 1 blockchain

Polygon Labs' Open Money Stack platform combines fiat on- and off-ramps, digital wallets, payment routing, and settlement infrastructure in a single integration.

Broadridge expanded its distributed ledger repo network to support transactions involving G7 securities.

Plasma operates a dedicated Layer-1 blockchain specifically designed for stablecoin payments.

Nine blockchain organizations formed the Quantum Alliance on October 15, 2026, to develop open standards for assessing quantum readiness across blockchain networks, wallets, and infrastructure.

Babylon Labs said Babylon's governance representatives will manage the underlying Trustless Bitcoin Vaults protocol configuration for the Aave V4 integration, including emergency controls and participating actor sets