X1 manufactures a smart credit card made with 17 grams of sleek, stainless steel.
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"X1 — Funding & Investors." VCBacked, December 1, 2022, https://www.vcbacked.co/company/x1. Accessed July 1, 2026.
VCBacked. (2022). X1 — Funding & Investors. Retrieved July 1, 2026, from https://www.vcbacked.co/company/x1
{{cite web |title=X1 — Funding & Investors |url=https://www.vcbacked.co/company/x1 |website=VCBacked |access-date=July 1, 2026}}Profile data sourced and verified per the VCBacked methodology. Last funding round dated .