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Grayscale Bitcoin Mini Trust ETF (BTC) vs iShares Staked Ethereum Trust ETF (ETHB)

How Grayscale Bitcoin Mini Trust ETF (BTC) vs iShares Staked Ethereum Trust ETF (ETHB) compare on our ratings, crypto etf specs, funding, pros and cons.

Grayscale Bitcoin Mini Trust ETF (BTC)4.2/5
VS
iShares Staked Ethereum Trust ETF (ETHB)4.4/5
Feature
Grayscale Bitcoin Mini Trust ETF (BTC)Visit
iShares Staked Ethereum Trust ETF (ETHB)Visit
Ratings
Our score4.2/54.4/5
User ratingNo reviews yetNo reviews yet
Fees4.54.5
Size & liquidity4.54.5
Issuer & custody4.55.0
Structure & tracking4.54.0
Extras (staking, options)2.54.0
Specs
TickerBTCETHB
IssuerGrayscaleBlackRock
HoldsBitcoinEther
StructureSpot ETFSpot ETF
Expense ratio0.15%0.25%
Fee waiverNot disclosed0.12% for the first 12 months on the first $2.5B in assets
Assets under management$4.24B (December 2025)$1.18B
Listed onNYSE ArcaNasdaq
Launch date2024-07-312026-02-18
CustodianAnchorage Digital Bank, Coinbase CustodyCoinbase Prime
Stakes its holdings No Yes
MarketUnited StatesUnited States
Company
Founded20242026
HeadquartersUnited StatesUnited States
InvestorsNot disclosedNot disclosed
Strengths and weaknesses
Pros
  • Competitive 0.15% annual expense ratio
  • Direct underlying custody through Anchorage Digital Bank and Coinbase Custody
  • Exceeded $4.24B in assets under management by December 2025
  • Holds spot Bitcoin rather than futures or debt instruments
  • Sponsor fee waived to 0.12% on the first $2.5B in assets
  • Generates validator staking rewards without requiring manual validator hardware or pooling
  • Pays staking rewards through scheduled monthly cash distributions
  • Backed by institutional custody via Coinbase Prime
Cons
  • Standard brokerage accounts cannot withdraw or take delivery of physical Bitcoin
  • Holdings do not generate yield or support staking
  • Restricted to investors with access to United States brokerage platforms
  • Subject to tracking error and secondary market discounts or premiums
  • Shares cannot be redeemed for physical ether tokens
  • Subject to validator slashing penalties and Ethereum unstaking lockup periods
  • Sponsor fee rises to 0.25% once initial waiver conditions conclude
  • Concentrated counterparty custody risk with a single custodian
Best forUS brokerage account holders, Retirement and IRA crypto allocations, Cost-sensitive spot Bitcoin investorsRetirement account crypto exposure, Investors seeking ether staking yields, US brokerage account holders

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