Bitcoin is the biggest cryptocurrency by market value. What is the second?

Bitcoin is the biggest cryptocurrency by market value. What is the second?

Bitcoin and ether hit record peaks on Tuesday, Nov. 9, 2021. Ether, the second-biggest cryptocurrency by market value, hit $4,842, while Bitcoin rose as high as $68,564. Since June, both have more than doubled and added nearly 70% against the dollar since the start of Oct. 2021.