Michael Saylor warns of Bitcoin protocol deviation as quantum computing risks enter the mainstream

Michael Saylor warns that the biggest threat to Bitcoin is the ambitious opportunists calling for changes to the protocol.
This statement comes at a time when Coinbase and the Ethereum network are taking steps to address one of the most long-standing existential threats to Bitcoin: quantum computing.
The quantum Bitcoin dilemma brings the protocol change debate back into focus
The co-founder of MicroStrategy framed protocol hardening as a fundamental defense for Bitcoin. According to Michael Saylor, internal attempts to "improve" the network pose a greater risk than external technological threats.
This statement highlights the role of Bitcoin as neutral digital money amidst discussions like the soft fork proposal BIP-110.
BIP-110, which received contract support of 2.38% as of January 25, 2026, aims to set a temporary limit on transaction data (for example, OP_RETURN at 83 bytes) to combat "spam" from non-financial uses.
This debate has sparked a divide in the community between hardliners who prefer holding Bitcoin and those using Bitcoin Core for broader applications.
Some developers express concerns about hasty or politically motivated changes, while others highlight that ignoring emerging risks could become a burden in itself.
This tension has become increasingly apparent with Coinbase's announcement of forming an independent advisory council dedicated to quantum computing and blockchain security.
The council will study how future advancements in large-scale quantum machines could threaten the cryptographic foundations of Bitcoin. They will publish public research, risk assessments, and technical guidance for the broader ecosystem.
At the core of the concern is elliptic curve cryptography (ECC), which underpins Bitcoin signatures in ECDSA and Schnorr.
Theoretically, a powerful enough quantum computer running Shor's algorithm could extract private keys from public keys, allowing attackers to forge transactions or drain exposed wallets.
While these devices are still at least 5 years away, the long time required for secure transitions of protocols has made quantum resilience an increasing priority.
The Coinbase advisory council brings together prominent figures in cryptography and quantum research, including:
Stanford University Professor Dan Boneh
Quantum theory scientist at the University of Texas Scott Aaronson
Researcher at the Ethereum Foundation Justin Drake, and
Founder of Eigenlayer, Shriram Kannan.
According to Coinbase, the council will operate independently and publish position papers on the state of quantum computing.
They will also issue guidelines for developers and institutions, responding in real time to breaches in the field.
The Bitcoin quantum discussion has shifted from theory to engineering reality.
The initiative reflects a broader shift in how the Bitcoin development community is addressing this issue.
Data from 2025 shows a significant increase in discussions related to quantum on Bitcoin mailing lists, with more than 10% of technical communications now addressing post-quantum security. Notably, this follows years of near silence.
The conversation has moved beyond abstract assumptions to concrete engineering questions, including how Bitcoin can transition from ECC to post-quantum signature schemes via soft forks without disrupting the network.
Despite this momentum, most researchers warn against rapid changes to the protocol. The prevailing opinion is to wait for post-quantum cryptography standards from entities like NIST to fully mature. This contrasts with enforcing early upgrades that could introduce new vulnerabilities.
In this sense, Coinbase's move is portrayed as preparation rather than a state of panic. It is an attempt to ensure that Bitcoin and other blocks have reliable migration paths before quantum attacks become operational.
The divergence from Ethereum has also become more apparent. The Ethereum Foundation recently announced that post-quantum security is its top strategic priority. Thus, it is:
Launching dedicated teams
Funding for cryptographic research, and
Operating direct post-quantum development networks.
Ethereum representatives now sit on the Coinbase advisory council, highlighting how quantum readiness is increasingly viewed as an inter-chain and industry-wide challenge.
With the acceleration of quantum research and the role of institutions becoming more active in enhancing the infrastructure for digital currencies in the future, maintaining this balance may become more difficult.