SEOUL – Six years, three delays and now another wait? South Korea is due to start taxing cryptocurrency income in January, but exchanges, investors and lawmakers are again asking for more time.

“Even the experts don’t know how we should pay the tax,” said Cho Sang-hyuk, who runs the Fireant Crypto community and is campaigning for a delay. “I’ve paid for consultations with tax accounting firms, but they still tell me we’ll have to wait until the rules take effect.”

Cho filed a petition calling for a two-year delay to build tax infrastructure and help investors calculate and report their income. It drew more than 53,000 supporters and was referred to the National Assembly’s finance committee in…