The Card Family

Four cards.
One private
standard.

What separates them is materials, limits, services, and access — not the plastic they arrive in.

BTB Key card
Tier 01 · Concept 17 · Deep Deboss

Key.

You hold a key.

Deep-emerald metal card, debossed monogram, contactless, EMV chip. €25,000 monthly spend, two cold-storage wallets, streamlined Bahamas onboarding under partner KYC, and a self-paced video training library.

Explore Key
BTB Vault card
Tier 02 · Mirror Gloss

Vault.

You hold the vault.

Mirror-gloss emerald with champagne foil monogram. €55,000 monthly spend, three cold-storage wallets, bi-weekly group education, 24/7 customer service with direct WhatsApp to your intake officer, and a Vault welcome box on activation.

Explore Vault
BTB Iron card
Tier 03 · Champagne Corner Notch

Iron.

Cold-storage grade.

Mirror-gloss emerald with a solid champagne-gold corner insert. Dual-chip. €170,000 monthly spend, two cold-storage hardware wallets plus a cold-storage wearable ring, one-on-one Zoom onboarding, VIP event invitations, and a custom crypto integration gateway.

Explore Iron
BTB Seal card
Tier 04 · Gold Frame + 3 Diamonds

Seal.

Signed. Sovereign.

Emerald mirror-gloss, machined champagne-gold frame, three brilliant-cut diamonds. €3M monthly spend, 24/7 concierge, private Seal investor community, annual portfolio review, Black Label events, Seal deals in real estate and investment, and 1-on-1 in-person crypto training with a senior advisor.

Explore Seal
Issuer & Networks

Powered by
Borderless Banking.

BTB cards are issued in partnership with Borderless Banking. Every tier is available in a Visa Infinite variant and a Mastercard World Elite variant, so you can choose the acceptance network and lounge program that fits your travel.

The back of every card carries the Borderless Banking issuer lockup, cardholder-service line, and international-collect number. Production, personalization, and diamond setting on Seal are governed by the BTB manufacturer specification.

Ready to hold one?

Membership is by application. A private client officer will guide you through KYC, tier selection, and program onboarding.

Apply Now