Bitcoin

The only tangential link is that RC2 is a legacy symmetric cipher (a 1990s-era block cipher with known weaknesses), and cryptographic hygiene occasionally resurfaces in crypto narratives around key management and protocol security. However, RC2 is not used by Bitcoin, Ethereum, or any major blockchain, so the connection to the $2.74T market cap crypto complex is effectively nil.

A technical article describes how the π table for RC2 was constructed.

Khalid Hamadeh Publishes Write-Up on How RC2's π Table Was Built

The RC2 π-table article is a stealth signal that the crypto security narrative is shifting from 'audit theater' to 'cipher provenance' — a niche that could soon command premiums in token design and institutional due diligence.