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Head-to-Head Comparison

Bitwise Bitcoin ETF (BITB) vs ARK 21Shares (ARKB)

Scores last updated September 22, 2026

74
Bitwise Bitcoin ETF (BITB)
BSPOF
ETF — Coinbase Custody
70
ARK 21Shares (ARKB)
B-SPOF
ETF — Coinbase Custody
Bitwise Bitcoin ETF (BITB) leads overall with a score of 74/100. Bitwise Bitcoin ETF (BITB) wins in 4 categories, ARK 21Shares (ARKB) wins in 2.
Custody & SecurityEase of UseFeesFeaturesTransparencySupportBitwise Bitcoin ETF (BITB)ARK 21Shares (ARKB)
Category
Bitwise Bitcoin ETF (BITB)
B
ARK 21Shares (ARKB)
B-
Overall Score
74
70
Custody & Security
35% weight
72
65
Ease of Use
20% weight
88
85
Fees
15% weight
85
80
Features
10% weight
45
30
Transparency
10% weight
68
85
Support
10% weight
68
70
Category Breakdown
Custody & Security
35% of overall score
72
Bitwise Bitcoin ETF (BITB)
vs
65
ARK 21Shares (ARKB)
Ease of Use
20% of overall score
88
Bitwise Bitcoin ETF (BITB)
vs
85
ARK 21Shares (ARKB)
Fees
15% of overall score
85
Bitwise Bitcoin ETF (BITB)
vs
80
ARK 21Shares (ARKB)
Features
10% of overall score
45
Bitwise Bitcoin ETF (BITB)
vs
30
ARK 21Shares (ARKB)
Transparency
10% of overall score
68
Bitwise Bitcoin ETF (BITB)
vs
85
ARK 21Shares (ARKB)
Support
10% of overall score
68
Bitwise Bitcoin ETF (BITB)
vs
70
ARK 21Shares (ARKB)
Fee Comparison
Bitwise Bitcoin ETF (BITB)
0.20% expense ratio
Min: $0
ARK 21Shares (ARKB)
0.21% expense ratio
Min: $0
Our Analysis

Bitwise Bitcoin ETF (BITB) vs ARK 21Shares (ARKB): What the Data Shows

Bitwise Bitcoin ETF (BITB) and ARK 21Shares (ARKB) both operate in the ETF and fund space, but they take fundamentally different approaches to how your bitcoin is held. The scores are close — Bitwise Bitcoin ETF (BITB) at 74/100 (B) and ARK 21Shares (ARKB) at 70/100 (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 7 points toward Bitwise Bitcoin ETF (BITB) (72 vs. 65). Both platforms carry single-point-of-failure risk, but Bitwise Bitcoin ETF (BITB) mitigates it more effectively through its ETF — Coinbase Custody approach. On fees, Bitwise Bitcoin ETF (BITB) wins by 5 points. Bitwise Bitcoin ETF (BITB) charges 0.20% expense ratio compared to 0.21% expense ratio at ARK 21Shares (ARKB). Over a multi-year holding period, fee differences compound — a point worth considering for long-term accumulators. Bitwise Bitcoin ETF (BITB)'s strongest advantage is in features (45 vs. 30), where Bitwise Bitcoin ETF (BITB)'s product breadth and tooling makes a measurable difference. ARK 21Shares (ARKB) stands out on transparency (85 vs. 68), reflecting ARK 21Shares (ARKB)'s approach to proof-of-reserves and public documentation.

The Custody Question

Neither Bitwise Bitcoin ETF (BITB) nor ARK 21Shares (ARKB) has fully eliminated single-point-of-failure risk. Bitwise Bitcoin ETF (BITB) uses ETF — Coinbase Custody 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

Bitwise Bitcoin ETF (BITB) edges out ARK 21Shares (ARKB) by 4 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 crypto-native issuer. transparent on-chain proof of reserves. competitive fees. over cathie wood/ark branding. lower expense ratio. innovation-focused audience.. Keep in mind these platforms target different audiences — Bitwise Bitcoin ETF (BITB) is built for crypto-native, 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, Bitwise Bitcoin ETF (BITB) or ARK 21Shares (ARKB)?

Based on our six-category scoring methodology, Bitwise Bitcoin ETF (BITB) scores higher at 74/100 compared to 70/100. 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 Bitwise Bitcoin ETF (BITB) safe for storing Bitcoin?

Bitwise Bitcoin ETF (BITB) scored 72/100 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 ETF — Coinbase Custody. 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 Bitwise Bitcoin ETF (BITB) vs ARK 21Shares (ARKB)?

Bitwise Bitcoin ETF (BITB) charges 0.20% expense ratio. ARK 21Shares (ARKB) charges 0.21% expense ratio. Bitwise Bitcoin ETF (BITB) scored 85/100 on fees versus 80/100 for ARK 21Shares (ARKB) in our methodology.

Frequently asked questions
Which is better for inheritance, Bitwise Bitcoin ETF (BITB) or ARK 21Shares (ARKB)?+

Bitwise Bitcoin ETF (BITB) does not advertise a dedicated inheritance feature. ARK 21Shares (ARKB) does not advertise a dedicated inheritance feature. Match the mechanism, whether beneficiary designation, trust titling, or key inheritance, to your estate plan.

Which has insurance, Bitwise Bitcoin ETF (BITB) or ARK 21Shares (ARKB)?+

Bitwise Bitcoin ETF (BITB)'s custody insurance is not publicly disclosed. ARK 21Shares (ARKB)'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.

Which requires me to hold my own keys, Bitwise Bitcoin ETF (BITB) or ARK 21Shares (ARKB)?+

Bitwise Bitcoin ETF (BITB) manages keys for you; you hold none. ARK 21Shares (ARKB) manages keys for you; you hold none. This is the core structural difference to weigh.

Bitwise Bitcoin ETF (BITB) Full ReviewARK 21Shares (ARKB) Full Review