Yes, many regulators have put out warnings regarding crypto scams, including the SEC and the CFTC in the U.S. Likewise, numerous international regulators have published blacklists and resources for crypto scams. For example, the Australian Securities & Investment Commission (ASIC) references the Australian Competition and Consumer Commission (ACCC) for its Scamwatch website. The Monetary Authority of Singapore (MAS) has also put out similar cryptocurrency warnings and resources for investors.