Senator Cynthia Lummis is making self-custody a central part of the final push for U.S. crypto market-structure legislation, framing direct control of private keys as the clearest form of digital asset ownership.
The Wyoming Republican chairs the Senate Banking Subcommittee on Digital Assets and has spent years defending the right of individuals to hold and transfer Bitcoin without depending on an exchange, bank or government-controlled wallet.
That position now sits inside the Senate version of the CLARITY Act’s self-custody protections. Americans would retain the ability to hold their own digital assets, while developers who publish or maintain wallet software without controlling customer funds would not automatically be treated as financial intermediaries.
The separation is important because self-custody and custodial services create different responsibilities. An exchange controls assets and private keys on a customer’s behalf. A non-custodial wallet gives the user control, leaving the provider unable to freeze, transfer or recover the funds.
CLARITY Act Moves Toward A Senate Vote
The House passed H.R. 3633 on July 17, 2025, by a bipartisan 294-134 vote. The CLARITY Act then cleared the Senate Banking Committee in a 15-9 vote on May 14, 2026, moving the legislation toward a full Senate debate.
The bill would divide digital asset oversight between the Securities and Exchange Commission and Commodity Futures Trading Commission. The SEC would retain authority over securities and securities-related activity, while the CFTC would receive a larger role over digital commodity spot markets and registered intermediaries.
Self-custody protections sit alongside rules for exchanges, brokers, dealers, customer assets, disclosures, market surveillance and anti-money-laundering controls. The framework also limits the collection of personal information about users controlling external wallets when they are not customers or transaction counterparties of the regulated institution.
The ownership debate extends beyond Lummis. CFTC Chairman Michael Selig has also pushed for federal protection of Bitcoin ownership and self-custody, placing private-key control inside the wider discussion over property rights and government seizure powers.
Enforcement Funding Counters The Illicit-Finance Criticism
Lummis is pairing the ownership argument with stronger enforcement. The CLARITY Act includes $150 million for law enforcement to pursue scammers and other bad actors operating in digital asset markets.
Covered intermediaries would face Bank Secrecy Act requirements, customer-identification rules, suspicious-activity monitoring and sanctions controls. Separate provisions address crypto kiosks, information sharing, transaction pauses requested by law enforcement and additional resources for the Financial Crimes Enforcement Network.
That enforcement package has become important as opponents question whether developer and self-custody protections could weaken illicit-finance controls. The White House has instead defended the CLARITY Act as a pro-law-enforcement framework, arguing that regulated U.S. markets would give investigators more visibility than offshore activity.
The next step is a full Senate vote. Any amended Senate version would still need to match the House text before reaching the president. For self-custody users, the decisive detail will be whether protections for private-key ownership, wallet software and non-custodial developers survive that final negotiation unchanged.
