Bitcoin’s Silence and Anxiety in the Face of the Quantum Threat

2026/08/15 10:00
Noriaki Yagi
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Bitcoin’s Silence and Anxiety in the Face of the Quantum Threat

A rift beneath the surface

Bitcoin (BTC)—the cornerstone of the crypto-asset market—had maintained an uncanny silence. There had been no changes to consensus rules since the last protocol update, Taproot, in November 2021, marking what could be described as the longest period of "quietude" in Bitcoin's history. Yet, beneath this veneer of calm, intense friction regarding a new paradigm was beginning to surface as open conflict within the depths of the protocol.

For Bitcoin, a system that has long held "immutability" as a supreme value, the update proposals currently under debate are challenging the boundaries between technology and the social contract.

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MAGAZINE
Iolite Vol.21

Iolite Vol.21

September 2026 issueReleased on 2026/07/30

Interview Richard Teng, Co-CEO, Binance Taisuke Isono, Head of Nikko Open Innovation Lab & DeFi Technology Department, SMBC Nikko Securities Inc. Hiroshi Kamiwaki, Director & Head of Crypto Asset Finance Business, Fintertech Co., Ltd. PHOTO & INTERVIEW Yusaku Nakano Feature Story: "Survival Strategies for Crypto Exchanges — The New Order Post-FIEA Transition" Interview Tomoyuki Isaka, President & Representative Director, CEO, Coincheck, Inc. Takaaki Fujiwara, Executive Vice President & Director, Mercury Inc. [Dialogue Series] The NISHI Talk: Crypto Conversations "Social Implementation Beyond Merely Holding Bitcoin" Kasou NISHI × Rintaro Kawai, President & Representative Director, ANAP HOLDINGS Co., Ltd. Series: Tech and Future Toshinao Sasaki ...and more

MAGAZINE

Iolite Vol.21

September 2026 issueReleased on 2026/07/30
Interview Richard Teng, Co-CEO, Binance Taisuke Isono, Head of Nikko Open Innovation Lab & DeFi Technology Department, SMBC Nikko Securities Inc. Hiroshi Kamiwaki, Director & Head of Crypto Asset Finance Business, Fintertech Co., Ltd. PHOTO & INTERVIEW Yusaku Nakano Feature Story: "Survival Strategies for Crypto Exchanges — The New Order Post-FIEA Transition" Interview Tomoyuki Isaka, President & Representative Director, CEO, Coincheck, Inc. Takaaki Fujiwara, Executive Vice President & Director, Mercury Inc. [Dialogue Series] The NISHI Talk: Crypto Conversations "Social Implementation Beyond Merely Holding Bitcoin" Kasou NISHI × Rintaro Kawai, President & Representative Director, ANAP HOLDINGS Co., Ltd. Series: Tech and Future Toshinao Sasaki ...and more