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World Congress 2026 Europe • Jul 9, 2026 • Session details

Cryptographic agility for a post-quantum future: Falcon signatures in TypeScript

Andrew Funk

Will quantum computers break your application's encryption by 2029? Discover how to seamlessly integrate post-quantum resilient Falcon signatures into your TypeScript infrastructure using WebAssembly.

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#1 about 2 min

Exploring cryptographic agility and Falcon signatures

An introduction to preparing for a post-quantum future using Falcon signatures in TypeScript.

#2 about 1 min

Transitioning from Edwards curve to lattice-based schemes

How the advent of quantum computing necessitates moving from typical elliptic curve cryptography to lattice-based methods.

#3 about 2 min

Balancing footprint and security in blockchain nodes

Why small key and signature footprints matter for decentralized node hardware and network distribution.

#4 about 2 min

Falcon signature sizes and the security roadmap

An overview of Falcon sizes and a three-phase strategy for post-quantum chain security.

#5 about 2 min

TypeScript and WebAssembly dependencies for Falcon solutions

Reviewing the open-source repositories linking a low-level C implementation to TypeScript bindings.

#6 about 4 min

Computational costs of verifying post-quantum signatures

Addressing the processing complexity of post-quantum algorithms and maintaining low hardware requirements for decentralized nodes.

#7 about 3 min

Executing a post-quantum transaction via a browser extension

A live demonstration spinning up a local sandbox network to send funds to a post-quantum account.

#8 about 2 min

Comparing standard block sizes and Falcon transaction footprints

Analyzing the base64 output on the ledger to compare the size of traditional transactions versus Falcon signatures.

#9 about 2 min

Implementing post-quantum transaction signing flows in TypeScript

A code walkthrough showing how to decrypt a local seed buffer to create a signing key.

#10 about 2 min

Standardizing post-quantum support across ecosystem wallets

How uniform SDKs and shared mnemonic standards ensure seamless interoperability between different wallet applications.

#11 about 2 min

Estimating the arrival of quantum computing capabilities

Current industry estimates regarding how soon quantum computers might be able to break traditional cryptographic signatures.

Matching moments

1:52 min

Preparing blockchain protocols for quantum computing threats

Brian Whippo Brian Whippo · Coffee With Developers

2:17 min

Preparing for quantum resilience and post-quantum cryptography

Jakub Gaj Jakub Gaj · WWC Europe 2026

4:39 min

Securing blockchain primitives against quantum computing threats

Brian Whippo Brian Whippo · WWC Europe 2026

4:11 min

Engineering quantum-resistant asymmetric signature schemes for modern platforms

John Woods John Woods · LIVE

3:36 min

Building quantum networks and mitigating future cryptographic vulnerabilities

John Fletcher John Fletcher +1 · WWC Europe 2026

1:49 min

Preparing enterprise technical stacks for the quantum era

John Fletcher John Fletcher +1 · WWC Europe 2026

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