- The bitcoin wallets lawsuit is facing a significant legal challenge via a proposed amicus brief.
- The bitcoin wallets lawsuit targets a large number of wallets, attempting to claim them under New York’s lost-and-found statute.
- Attorney Ian R. Cohen argues that assets secured by private keys cannot legally be considered ‘lost’ under existing state law.
- The case could set a major precedent for how courts treat unclaimed or dormant cryptocurrency under property law.
Table of Contents
The Bitcoin Wallets Lawsuit That Could Reshape Crypto Property Law
A New York federal case — a highly unusual bitcoin wallets lawsuit — is trying to claim ownership of a large number of dormant wallets using a state statute originally designed for abandoned bank accounts and unclaimed physical property. A proposed amicus brief has been filed arguing that the entire legal theory behind the suit is fundamentally flawed.
That amicus brief, filed by attorney Ian R. Cohen, makes a straightforward but consequential argument: you can’t treat a bitcoin wallet as ‘lost property’ when it’s secured by a private key. The key might be unknown, forgotten, or inaccessible — but the asset itself isn’t wandering around waiting to be claimed by the state. It’s sitting on the blockchain, perfectly intact, protected by cryptography.
It sounds like a technicality. It isn’t. If this bitcoin wallets lawsuit proceeds unchallenged, it could open the door to governments or third parties making claims on billions of dollars worth of dormant cryptocurrency holdings under laws that were never written with digital assets in mind.
What New York’s Lost-and-Found Statute Actually Does
New York’s abandoned property law — technically the Abandoned Property Law administered in part by the State Comptroller’s Office — is designed to transfer custody of unclaimed assets to the state after a set dormancy period. Banks, brokerages, and utilities are required to hand over accounts that have seen no activity for a defined number of years. The state holds the assets, and original owners can reclaim them later.
It’s a sensible system for traditional finance. A dormant savings account is genuinely ‘unclaimed’ in a meaningful sense — the bank holds it, the owner has lost contact, and the state steps in as custodian. There’s a clear chain of custody, a central institution involved, and a process for reuniting people with their funds.
Bitcoin is different in almost every way that matters legally. There’s no institution holding the wallet on anyone’s behalf. There’s no bank to report dormancy. The only thing separating the current wallet holder — or future claimant — from those coins is knowledge of a private key. If you have the key, you have the bitcoin. If you don’t, you don’t. The blockchain doesn’t care about state statutes. Critics of the bitcoin wallets lawsuit have pointed to exactly this structural mismatch as grounds for dismissal.
Why Cohen’s Amicus Brief Could Be Decisive
Attorney Ian R. Cohen’s intervention is significant not just because of what he’s arguing, but because of when. An amicus brief at this stage — before the merits of the bitcoin wallets lawsuit are even properly argued — signals that serious legal thinkers believe the foundational premise of the lawsuit is broken enough to challenge head-on.
His core point is elegant: private-key-controlled assets aren’t ‘lost’ in any legally recognisable sense. They’re inaccessible to whoever has lost track of the key, but they haven’t been abandoned in the way a forgotten savings account is abandoned. The wallet exists. The coins exist. The private key exists, somewhere. What’s missing is the human connection to that key — and that’s a very different legal problem than dormant property in a bank vault.
This distinction matters enormously when you think about who benefits if the argument fails. If courts accept the premise that dormant bitcoin wallets can be classified as ‘lost property’ under state law, you create a mechanism for mass appropriation of cryptocurrency that bypasses the entire design philosophy of decentralised assets. That’s not a small crack in the system. That’s a structural rupture.
The Scale of What’s at Stake
The sheer number of wallets targeted puts the scale of this bitcoin wallets lawsuit in sharp relief. We’re not talking about a handful of forgotten test wallets or a single estate dispute. This is a sweeping claim that, if successful, would effectively transfer a massive pool of bitcoin holdings to a third party using state abandoned-property law as the legal vehicle.
How much bitcoin is actually in those wallets isn’t publicly specified in the court filings as reported, but even a conservative average of a fraction of a coin per wallet across a large number of addresses would represent an enormous sum at current prices. Bitcoin has been trading above $60,000 for much of 2024 and into 2025. The financial stakes here are considerable by any measure.
It’s also worth thinking about the broader population of dormant wallets on the Bitcoin network. Research from firms like Chainalysis has long estimated that somewhere between 3 and 4 million bitcoin — worth hundreds of billions of dollars — may be permanently inaccessible due to lost keys or the deaths of early holders. The question of what legal status those coins hold has been abstract, academic even. This bitcoin wallets lawsuit is trying to make it concrete.
A Collision Between Old Law and New Technology
This isn’t the first time courts have struggled to apply analogue-era laws to digital assets, and it won’t be the last. The broader challenge — how do you map property rights, inheritance, and abandonment law onto assets that exist purely on a decentralised ledger — is one the legal system has been slowly, imperfectly working through for over a decade.
The IRS treats bitcoin as property for tax purposes. Courts have treated it as an asset in divorce proceedings and bankruptcies. But the question of ‘lost’ or ‘abandoned’ cryptocurrency under state law is genuinely unsettled territory, and this bitcoin wallets lawsuit in New York could become a reference point for how other jurisdictions handle it.
The crypto industry has generally argued that the decentralised, self-custodial nature of assets like bitcoin should exempt them from the kinds of custodial regulations and abandoned-property rules that apply to bank-held assets. The logic is consistent: if there’s no intermediary, there’s no one to report dormancy, no one to hand assets over to the state, and no legitimate mechanism for state custody claims.
How the court engages with Cohen’s amicus brief will be an early indicator of how seriously it is taking that argument. If the judge engages meaningfully with the private-key distinction, it could signal that the entire lawsuit is on shaky legal ground. If the court allows the case to proceed without properly resolving the foundational question of what ‘lost’ means in a crypto context, the implications reach well beyond the wallets named in this bitcoin wallets lawsuit.
Either way, this is the kind of case the crypto legal community will be watching closely — not because it’s flashy, but because the quiet legal questions tend to be the ones that end up mattering most.
Source: The Block
