Should the crypto industry be concerned about Senator Warren's anti-money laundering bill?
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Should the crypto industry be concerned about Senator Warren's anti-money laundering bill?
An obscure U.S. regulatory incident rarely mentioned in Chinese communities could completely undermine the anonymity of wallets, miners, and nodes, reducing cryptocurrency privacy to the level of traditional finance.
Navigating Web3 tides with focused insightsBy: jk
On December 19 local time in the United States, Senator Elizabeth Warren sent a letter to cryptocurrency industry groups and Coinbase, accusing the industry of wielding “a not-so-secret weapon”—hiring former defense and law enforcement officials—to undermine congressional efforts addressing the role of cryptocurrencies in funding terrorist organizations, including Hamas. She stated: "The crypto industry is spending millions of dollars to cloak itself in legitimacy while aggressively fighting against common-sense rules designed to limit the use of crypto for terrorist financing—rules that could cut into crypto company profits."
Warren’s actions align with her long-standing advocacy for strong regulatory oversight, leading to speculation that this move is part of her effort to advance legislation she has drafted. At the end of last year, she introduced the Digital Asset Anti-Money Laundering Act, which added numerous reporting requirements for cryptocurrencies; this year, she proposed an updated version of the bill, which last month already gained support from five senators.
During the recent Bitcoin pullback, English-language crypto media and communities widely discussed concerns that this proposed legislation could negatively impact Bitcoin's outlook—yet discussion of the bill remains scarce within Chinese crypto circles. So what exactly does this bill entail, and why are prominent crypto KOLs so alarmed?
Let’s start by examining who Elizabeth Warren is.
Who is Elizabeth Warren?
Elizabeth Warren is an American politician and professor known for her advocacy on consumer protection, economic fairness, and social justice. She serves as a U.S. Senator from Massachusetts and is a key figure in the Democratic Party. Warren previously taught at Harvard Law School and played a pivotal role after the 2008 global financial crisis in establishing the Consumer Financial Protection Bureau (CFPB). She is renowned for criticizing large banks and policies favoring the wealthy, and she ran for the Democratic presidential nomination in 2020. Michelle Wu, Boston’s first Asian-American mayor who gained significant attention online in China, was one of Warren’s students.
What does the bill contain?
According to documents published on Elizabeth Warren’s official website, the Digital Asset Anti-Money Laundering Act of 2023 aims to address the growing use of digital assets in criminal activities such as money laundering, ransomware attacks, theft and fraud schemes, trafficking, and terrorism financing. It is estimated that sanctioned countries like North Korea derive half their missile program funding from cybercrime and digital assets, having stolen $1.7 billion worth of digital assets in 2022 alone. Ransomware attackers almost exclusively demand payment in digital assets and attacked over 2,400 local governments, schools, and hospitals across the U.S. last year. In 2022, illegal usage of digital assets reached a record high of at least $20 billion, with 44% of these transactions linked to U.S.-sanctioned entities.
The bill aims to “reduce risks posed by digital assets to U.S. national security by closing loopholes and bringing the digital asset ecosystem more fully into compliance with anti-money laundering and counter-terrorism financing (AML/CFT) frameworks.”
The details of the bill are extremely granular and significantly expand the current scope of regulation:
Extend obligations under the Bank Secrecy Act (BSA), including KYC requirements, to digital asset wallet providers, miners, validators, and potentially other network participants involved in validating, securing, or facilitating digital asset transactions.
Address the major loophole posed by “non-custodial” digital wallets (which allow individuals to bypass AML and sanctions checks) by directing the Financial Crimes Enforcement Network (FinCEN) to finalize and implement its December 2020 proposed rule requiring banks and money services businesses (MSBs) to verify customer and counterparty identities, maintain records, and file reports on certain transactions involving non-custodial wallets or wallets hosted in non-BSA-compliant jurisdictions.
Direct FinCEN to issue guidance to financial institutions on mitigating risks associated with handling, using, or transacting digital assets anonymized through mixers and other anonymity-enhancing technologies.
Strengthen enforcement of BSA compliance by directing the Treasury Department to establish AML/CFT inspection and examination procedures for MSBs and other digital asset entities subject to BSA obligations, and instructing the Securities and Exchange Commission (SEC) and Commodity Futures Trading Commission (CFTC) to establish similar AML/CFT compliance review processes for entities under their jurisdiction.
Extend BSA rules regarding reporting foreign bank accounts to include digital assets, requiring Americans engaged in one or more overseas account transactions exceeding $10,000 in value of digital assets to submit a Report of Foreign Bank and Financial Accounts (FBAR) to the Internal Revenue Service (IRS).
Mitigate illicit financial risks associated with digital asset ATMs by directing FinCEN to ensure owners and operators of such machines regularly submit and update the physical addresses of their kiosks and verify customer and counterparty identities.
From these provisions, it becomes clear that if enacted, the bill would require KYC compliance from all participants in the crypto space—including wallet providers, miners, and network validators. For non-custodial wallets, both users’ identities and those of their transaction counterparts would need to be verified and reported to banks and financial service providers. The use of technologies enhancing anonymity, such as digital asset mixers, would be curtailed, and reporting requirements for foreign digital asset holdings would be strengthened. Overall, the bill drastically reduces the anonymity of cryptocurrency users in the U.S. If passed, it would place vast amounts of sensitive personal data about crypto participants into the hands of centralized institutions like banks, significantly increasing centralization risks.
The impact on crypto consumers would also be direct. If this bill passes, future users of wallet services like MetaMask would first have to complete KYC procedures, and this information would ultimately be held by banks and financial service providers—who would then have legal obligations to report to regulators when required. This is clearly unwelcome news for a crypto world built on the principles of decentralization.
Looking further ahead, given that account abstraction and related technologies are still in early stages, sending digital assets via exchanges and non-custodial wallets remains far more complex than traditional bank transfers. Adding another layer of bureaucratic process would only erode the competitive advantage of crypto assets relative to traditional finance.
How are crypto KOLs reacting?
Cointelegraph suggests there’s no need to panic—over Warren’s more than decade-long political career, she has introduced 330 bills, but only 11 have been enacted into law.
Alex Thorn, head of research at Galaxy, commented:
"The bill specifically demands a massive expansion of the Bank Secrecy Act to cover open-source software, including non-custodial wallets, miners, and validator nodes. But non-custodial and decentralized software cannot reasonably perform centralized compliance functions, so the bill would effectively ban cryptocurrencies in the United States. Take miners or validators as an example—they passively add transaction data to the blockchain. While they can exclude known sanctioned addresses, they structurally cannot 'know' the identity of every user. Miners or validators cannot possibly conduct KYC on every public blockchain participant. In fact, it's not even accurate to say these entities have a 'customer' to 'know.'
"Warren’s bill also attempts to impose the Bank Secrecy Act on non-custodial wallets, many of which are free, open-source software. Let’s be clear: there is no such thing as a 'non-custodial' digital wallet—these are just wallets. Requiring open-source, non-custodial software to perform bank-like compliance is the very attack that Bitcoin’s opponents have long threatened. For instance, Bitcoin Core could never comply with this requirement, meaning this bill would effectively outlaw Bitcoin in the United States.
"These rules would effectively ban cryptocurrency in the U.S. and fundamentally undermine the core innovation itself—peer-to-peer digital cash. If you believe people should have the right to transact without intermediaries, you must oppose this bill."
Coin Center, a cryptocurrency industry advocacy group, believes the bill may be unconstitutional. Neeraj K. Agrawal, its communications director, said the Digital Asset Anti-Money Laundering Act represents a direct assault on technological progress, as well as on individual privacy and autonomy.
He stated: 'Make no mistake—while the bill is framed as addressing potential money laundering and terrorist financing issues, in reality it negates fundamental freedoms. Unfortunately, this bill cannot be fixed; it must be opposed in full. Coin Center will do everything in its power to protect Americans’ rights and defeat this unwarranted attack on personal privacy and autonomy.'
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