According to International Precious Metals, only 2,000 were produced, and even fewer are known to exist today—hence their hefty worth. One of these coins once fetched $6.6 million at auction, while ...
While Bitcoin is up 10% in 2025, the top altcoins are already up anywhere from 30% to 50%. Solana is seeing a surge in new user activity on its blockchain and is up 35% for the year. XRP is benefiting ...