The discovery of an unauthorized hardware implant in a Ledger wallet has triggered a debate regarding the security of self-custody versus Bitcoin ETFs. Blockchain investigators estimate that potential losses resulting from such hardware implants could exceed $86 million.

Analyst Plan B stated that he moved his Bitcoin holdings to ETFs in 2025, citing recent exploits involving Coldcard and Ledger devices as justification. He noted that he has no regrets regarding this decision.

Ophelia Snyder, co-founder of 21Shares, observed that large holders have been shifting assets to ETFs for years to achieve enhanced security. She noted that recent security incidents have brought this trend into public discourse.

Adam Back, CEO of Blockstream, suggested that hardware wallet manufacturers must improve their understanding of the threat landscape and adopt better threat-modeling practices. He argued that many providers have failed to address generic attacks over the past decade.

Jameson Lopp, a Bitcoin security researcher, acknowledged that self-custody remains a robust option. However, he cautioned investors against rushing into mass migrations, which could create new central points of failure.