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Head-to-Head Comparison

Fidelity Digital Assets vs ARK 21Shares (ARKB)

Fidelity Digital Assets leads overall with a score of 76/100. Fidelity Digital Assets wins in 3 categories, ARK 21Shares (ARKB) wins in 3.
Custody & SecurityEase of UseFeesFeaturesTransparencySupportFidelity Digital AssetsARK 21Shares (ARKB)
Category
Fidelity Digital Assets
B
ARK 21Shares (ARKB)
B-
Overall Score
76
68
Custody & Security
35% weight
80
40
Ease of Use
20% weight
75
85
Fees
15% weight
70
90
Features
10% weight
75
40
Transparency
10% weight
70
75
Support
10% weight
85
70
Category Breakdown
Custody & Security
35% of overall score
80
Fidelity Digital Assets
vs
40
ARK 21Shares (ARKB)
Ease of Use
20% of overall score
75
Fidelity Digital Assets
vs
85
ARK 21Shares (ARKB)
Fees
15% of overall score
70
Fidelity Digital Assets
vs
90
ARK 21Shares (ARKB)
Features
10% of overall score
75
Fidelity Digital Assets
vs
40
ARK 21Shares (ARKB)
Transparency
10% of overall score
70
Fidelity Digital Assets
vs
75
ARK 21Shares (ARKB)
Support
10% of overall score
85
Fidelity Digital Assets
vs
70
ARK 21Shares (ARKB)
Fee Comparison
Fidelity Digital Assets
Custom
Min: Institutional
ARK 21Shares (ARKB)
0.21% expense ratio
Min: $0
Custody Features
Fidelity Digital Assets
Multisig
Multi-Institution
No Single Point of Failure
Segregated Accounts
Proof of Reserves
Insurance
Regulated Custodian
No Physical Exposure
Multi-Jurisdiction
Inheritance
Segregated Insurance
IRA
Lending
Buy/Sell
Dynasty Trusts
ARK 21Shares (ARKB)

N/A

Our Analysis

Fidelity Digital Assets vs ARK 21Shares (ARKB): What the Data Shows

Fidelity Digital Assets (dedicated custody) and ARK 21Shares (ARKB) (ETF and fund) serve different corners of the Bitcoin ecosystem, but the question that matters most is the same: who controls the keys? The scores are close — Fidelity Digital Assets at 76/100 (B) and ARK 21Shares (ARKB) at 68/100 (B-). When the gap is this narrow, the details matter: custody model, single points of failure, and the fine print on fees.

Where Each Platform Wins

Custody and security — the most heavily weighted category in our methodology at 35% — tilts 40 points toward Fidelity Digital Assets (80 vs. 40). Both platforms carry single-point-of-failure risk, but Fidelity Digital Assets mitigates it more effectively through its Qualified Custodian approach. On fees, ARK 21Shares (ARKB) wins by 20 points. ARK 21Shares (ARKB) charges 0.21% expense ratio compared to Custom at Fidelity Digital Assets. Over a multi-year holding period, fee differences compound — a point worth considering for long-term accumulators.

The Custody Question

Neither Fidelity Digital Assets nor ARK 21Shares (ARKB) has fully eliminated single-point-of-failure risk. Fidelity Digital Assets uses Qualified Custodian and ARK 21Shares (ARKB) uses ETF — Coinbase Custody. Both models leave your bitcoin exposed to custodial concentration risk — if that one entity fails, your bitcoin could be locked, seized, or lost. For long-term holders, this is the most important factor to weigh.

Bottom Line

Fidelity Digital Assets edges out ARK 21Shares (ARKB) by 8 points. It's a close call, and the right choice depends on your specific situation — how much bitcoin you're holding, how often you need access, and whether you prioritize backed by fidelity's brand and balance sheet. regulated. soc 2 type 2. over cathie wood/ark branding. lower expense ratio. innovation-focused audience.. Keep in mind these platforms target different audiences — Fidelity Digital Assets is built for tradfi, while ARK 21Shares (ARKB) serves growth investors. One thing to watch with ARK 21Shares (ARKB): single custodian (coinbase). smaller aum. ark reputation volatility..

Frequently Asked Questions

Which is better, Fidelity Digital Assets or ARK 21Shares (ARKB)?

Based on our six-category scoring methodology, Fidelity Digital Assets scores higher at 76/100 compared to 68/100. 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.

Is Fidelity Digital Assets safe for storing Bitcoin?

Fidelity Digital Assets scored 80/100 on custody and security in our methodology. It does carry single-point-of-failure risk, meaning your bitcoin depends on one entity's security. Its custody model is classified as Qualified Custodian. Always verify these details and do your own research.

Does ARK 21Shares (ARKB) have a single point of failure?

Yes. ARK 21Shares (ARKB) uses a ETF — Coinbase Custody model, which means a single compromised entity could put your bitcoin at risk. This is a structural concern for long-term holders.

What are the fees for Fidelity Digital Assets vs ARK 21Shares (ARKB)?

Fidelity Digital Assets charges Custom. ARK 21Shares (ARKB) charges 0.21% expense ratio. Fidelity Digital Assets scored 70/100 on fees versus 90/100 for ARK 21Shares (ARKB) in our methodology.