Richard Schueler, known as Richard Heart and founder of HEX, was detained by Turkish authorities in Istanbul on October 14. The operation resulted in a seizure of $7.15 million in cash, firearms, ammunition, nine luxury vehicles registered to his wife, and various assets including watches and graphics cards. This action follows an Interpol Red Notice issued two years ago regarding allegations of tax fraud and assault sought by Finnish authorities. Consequently, the market capitalization of HEX dropped from $561 million to $315 million within the week.

In hardware security developments, Ledger introduced its new Atom device, priced at $849, which features enhanced tamper protections and post-quantum cryptography support. This launch occurs amid scrutiny following the discovery of malicious implants in wallets sold through an Asian reseller, leading to over $90 million in stolen funds and suspended supply chains in the region. A public dispute has also emerged between Ledger CEO Pascal Gauthier and former Mt Gox CEO Mark Karpeles regarding the timeline of internal warnings about spyware.

Quantum computing advancements continue to impact crypto narratives. Google demonstrated a process reducing errors 40-fold on its Willow processor, while Theta Labs proposed circuits that could lower the qubit count needed to break elliptic curve cryptography. In response to these threats, Starknet initiated a vote to transition from an Ethereum Layer 2 to a post-quantum Layer 1, with over 99% of votes cast in favor. Meanwhile, Standard Chartered revised its stablecoin market cap projection to $2 trillion by 2030, noting increased transaction velocity despite plateaued total value.