https://techcrunch.com/2022/11/09/sequoia-capital-marks-its-ftx-investment-down-to-zero-dollars/

Sequoia Capital just marked down to zero the value of its stake in the cryptocurrency exchange FTX — a stake that, as of last week, likely represented among the most sizable unrealized gains in the venture firm’s 50-year history.

It alerted its limited partners in a letter that it sent out to them this evening. (See below.)