Is a16z successful?

One may inquire, "Has a16z truly achieved success in the realm of cryptocurrency and finance?" It is a pertinent question, given the company's reputation as a prominent venture capital firm specializing in this domain. Assessing their success would undoubtedly involve examining the performance of their portfolio companies, the impact they've had on the industry, and the returns they've generated for their investors. But can their achievements be deemed a true measure of success, or are there other factors to consider?