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.

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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

Coinbase published technical priorities on October 13, 2026, outlining options for Bitcoin's post-quantum migration, including staged wallet upgrades and freezing vulnerable dormant coins

A June 2026 study estimated that approximately 2.3 million Bitcoin held in lost, dormant, or early addresses cannot be moved to quantum-resistant addresses

Approximately 6.04 million to 6.26 million Bitcoin, representing over 30% of all mined Bitcoin, sit in quantum-vulnerable public key addresses

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

As of October 2026, Bitcoin had fallen nearly 35% from its October 2025 high, Ethereum over 50%, and Solana and XRP each 65%, partly attributed to quantum computing risks.

Almost the entire $2.9 trillion cryptocurrency market relies on classical signatures that could be compromised by sufficiently powerful quantum computers.

An estimated 6 million Bitcoin, representing over 30% of the total Bitcoin supply, is quantum-exposed at rest due to reliance on elliptic-curve signatures.

Algorand's post-quantum cryptography strategy requires delivering deployed network upgrades that institutional participants can evaluate.

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.

Algorand CEO William Herkelrath established strengthening the network's post-quantum cryptography capabilities as a core pillar of his strategic brief.

EasyA co-founder Philip Kwok stated that artificial intelligence and blockchain technology contribute equally to EasyA's business growth.

VersaBank plans to offer its tokenized deposit technology to community and regional banks in the United States.