Multiple pieces of evidence directly support the statement. A post on Binance's own platform (Source 1 & 12) explicitly quotes Richard Teng's tweet: 'Bitcoin is “like digital gold, a treasure...'''. This is further corroborated by news reports (Source 4 & 10) titled 'Richard Teng Reaffirms Its Role as Digital Gold'. The evidence is direct, comes from multiple sources including a primary one, and faces no contradiction.