Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the right order to form a meaningful and coherent paragraph.
A. A recent legislation has ensured that the antiquities trade will be subject to greater oversight, which empowers federal regulators to design measures that would remove secrecy from transactions.

B. Regulators have long worried that the opacity of the antiquities trade, where buyers and sellers are seldom identified, made it an easy way to shroud illicit transfers of money.

C. The law also seeks to end the use of shell companies to conceal the identities of buyers and sellers.

D. Legal experts expect that the new antiquities regulations will flag certain transactions to the authorities, who then determine whether they are suspicious.