Update (June 4, 2025, 6:45 am UTC): This article has been updated to add commentary by crypto lawyer Michael Bacina.
Malikie Innovations, a firm that acquired tens of thousands of patents from BlackBerry in 2023, has sued major Bitcoin mining firms Marathon Digital and Core Scientific for using the Elliptic Curve Cryptography (ECC) employed by the Bitcoin blockchain, which it claims to own.
The cases against Marathon Digital Holdings and Core Scientific follow Malikie Innovations’ acquisition of 32,000 “non-core” patents from the communications company and former phone maker, BlackBerry, in 2023.
“This case centers on ground-breaking innovations in elliptic curve cryptography […] that years later were recognized and selected by the designers of Bitcoin,” the filings state.
The lawsuit claims the defendants are using ECC-based cryptographic methods covered under the Malikie-held patents to support their Bitcoin (BTC) mining operations.
Related: Tangem wallet secures US patent for private key transfer tech
Are Bitcoin users in danger?
Aaron Brogan, founder and managing attorney at Brogan Law, told Cointelegraph it is unlikely that such lawsuits will hit most individual Bitcoin users, even if the patents are found to be valid:
“Pursuing individuals is trickier because they are often ‘judgment-proof,’ which is lawyer jargon for broke.“
Miners, on the other hand, are wealthy targets that are worthy of a lawsuit. Brogan said “these entities will always tend to attract lawsuits because they have money, and the patent bar can try to take it from them.“
If the plaintiffs prevail, they will be able to recover up to six years of lost royalties. The sum to which that translates is not easy to calculate. Such cases often result in a secondary trial, “but you can reasonably assume it would be a large sum, and it might cause these defendants to enter bankruptcy,” Brogan added.
Related: Community split on ENS petition against Unstoppable Domains patent
Large-scale consequences
Brogan also noted that winning the case would establish a favorable precedent for Malikie to use in pursuing cases against other miners in the United States. This, in turn, could have disastrous consequences for Bitcoin.
“If they chose to pursue that strategy, it might undermine the security of the Bitcoin network,” he said.
Cayman Islands-based crypto lawyer Michael Bacina told Cointelegraph that this is unlikely to be what Malikie is going after. “So-called…
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