Tether officially laid out the digital asset options track, and BTC-Tether came into being
The size of the crypto market achieved a historic breakthrough in 2021, reaching its highest point in November: nearly $3 trillion, ending the year at $2.25 trillion, an annual increase of nearly 200%. Bitcoin and Ethereum have also broken record highs several times in 2021, with peak prices approaching $70,000 and $5,000, respectively.