Generally speaking, just holding crypto doesn't trigger a taxable event in the US - unrealized gains aren't taxed until you actually sell or trade it away. So if your holdings are just sitting in your wallet or exchange account, you're not on the hook for taxes this year based on the price increase alone. The tax bill comes when you convert to dollars, trade one crypto for another, or use it to buy something.
That said, there are some edge cases worth knowing about. If you received the crypto as income (mining, staking rewards, airdrops, or payment for work), that's taxable in the year you received it, regardless of whether you've sold it since. Staking rewards in particular can be tricky because you're generating new taxable events while your original holdings just sit there. The IRS hasn't been crystal clear on every scenario, which is why a lot of people find crypto taxes confusing.
Since tax law can get complicated and penalties for getting it wrong are real, it's worth at least having a conversation with someone who knows crypto taxation - a CPA or tax software that handles digital assets properly. If you bought it straight up and haven't done anything else with it, you're probably fine for now, but knowing your exact situation makes a difference.