South Koreans in their 30s sold more cryptocurrency than any other age group this year to fund home purchases, government data showed Sunday.

Crypto sales reported by homebuyers in their 30s totaled 10.31 billion won ($7 million) between Feb. 10 and March 31, the largest among all age groups, according to data submitted by the Ministry of Land, Infrastructure and Transport to Rep. Kim Jong-yang of the People Power Party.

Homebuyers must submit financing plans disclosing their source of funds within 30 days of signing contracts for all homes in regulated areas or homes worth at least 600 million won in nonregulated areas. Since Feb. 10, proceeds from virtual asset sales must be reported separately, including sale…