Yes, you can use the cash from your loan for your own purposes.

Once your loan is opened, the cash will be credited to your Strike account immediately and available to withdraw externally within one business day. You can then use this cash for various purposes, including:

• Funding your lifestyle: Buying a house or car, supporting friends and family, or paying off debts
• Making investments: Starting a business, growing your business, or making other investments
• Using for payments on Strike: Making payments including on-chain, Lightning, P2P, Send Globally, or making in-app purchases
• Buying bitcoin: Buying bitcoin on Strike counts towards your monthly trading fees, and you can withdraw the bitcoin externally or keep it on Strike.