Scores last updated
Fit follows the custody model, not the brand.
You hold most keys, the provider holds one, and no single party can move funds alone.
One device, one seed, entirely yours.
N/A
Unchained (exchange and brokerage) and Coldcard (hardware) serve different corners of the Bitcoin ecosystem, but the question that matters most is the same: who controls the keys? In our scoring model, Unchained holds a commanding lead at 84/100 (A-) compared to Coldcard at 58/100 (C). That 26-point gap reflects real, measurable differences in how each platform handles custody, fees, and transparency.
Custody and security — the most heavily weighted category in our methodology at 35% — tilts 30 points toward Unchained (88 vs. 58). On fees, Coldcard wins by 17 points. Coldcard charges ~$150 one-time compared to 1% + trading spread at Unchained. Over a multi-year holding period, fee differences compound — a point worth considering for long-term accumulators.
Both Unchained and Coldcard have addressed the single-point-of-failure problem — neither relies on a single custodian or a single set of keys. That puts both platforms ahead of the majority of the industry. The difference comes down to implementation: Unchained uses Collaborative Multisig, while Coldcard uses Hardware Wallet.
Unchained is the clear choice here, outscoring Coldcard by 26 points across our six-category methodology. Keep in mind these platforms target different audiences — Unchained is built for self-sovereign, while Coldcard serves cypherpunks. One thing to watch with Coldcard: full self-custody responsibility. physical device exposure. kidnapping and extortion risk.. The data speaks for itself — but always verify our methodology and do your own due diligence before moving bitcoin to any platform.
Based on our six-category scoring methodology, Unchained scores higher at 84/100 compared to 58/100. The biggest differentiator is custody security, which accounts for 35% of the overall score. However, the right choice depends on your individual needs — review the category breakdown above.
Unchained scored 88/100 on custody and security in our methodology. It has no single point of failure, distributing custody across multiple entities. Its custody model is classified as Collaborative Multisig. Always verify these details and do your own research.
No. Coldcard has eliminated single-point-of-failure risk through its Hardware Wallet model, distributing keys or access across multiple entities.
Unchained charges 1% + trading spread. Coldcard charges ~$150 one-time. Unchained scored 78/100 on fees versus 95/100 for Coldcard in our methodology.
Unchained does not advertise a dedicated inheritance feature. Coldcard does not advertise a dedicated inheritance feature. Match the mechanism, whether beneficiary designation, trust titling, or key inheritance, to your estate plan.
Unchained's custody insurance is not publicly disclosed. Coldcard's custody insurance is not publicly disclosed. Custody insurance covers specific named events up to shared limits, not price loss or every failure mode. Verify current terms before relying on coverage.
Unchained involves the holder in key control. Coldcard involves the holder in key control. This is the core structural difference to weigh.