The Quantum Threat to Blockchains

The Quantum Threat to Blockchains — 2026 Report cover

Project Eleven · 2026 Report

The Quantum Threat to Blockchains

Quantum computers represent a new era of computation, and the end of an era for classical cryptography. While current quantum computers are still relatively nascent in terms of capability, they are advancing rapidly. In light of current progress, they could make widely-deployed asymmetric cryptography obsolete within a decade — potentially even before this decade is out.

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