Has big tech? Look at Amazon, Google, Apple etc. When bitcoin's stopped averaging more than 30% per year for a few years, there'll still be a goldmine of alts that haven't got an ETF that can either act as sandboxed testnets for what bitcoin is capable of or provide separate utility elsewhere.

When innovation happens, it keeps being iterated over, improved on and forked.

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That being said, the first and most secure Blockchain (Bitcoin) will set the precedent for everything that follows.