Bitcoin prices moved higher on Tuesday, extending a hot streak that has seen the best-known cryptocurrency log four successive winning sessions, and reach a nearly six-week high.

On Tuesday, a single bitcoin BTCUSD, -0.31% fetched $3,927.90, up 2% since Monday at 5 p.m. Eastern time on the Kraken exchange. The digital currency traded to an intraday high of $3,970.70, its highest level since Jan. 10.