Best Bitcoin & Ethereum ETFs 2026: IBIT vs FBTC vs ETHA — The Complete Guide

TL;DR

• The best Bitcoin ETF in 2026 for most investors is BlackRock's iShares Bitcoin Trust (IBIT) — $63B+ AUM, tightest bid-ask spreads, 0.25% fee, Coinbase Custody. Fidelity's FBTC and Bitwise's BITB are the strongest runners-up.
• The best Ethereum ETF in 2026 is BlackRock's iShares Ethereum Trust (ETHA) on AUM and liquidity ($10B+); cheapest large issuers are Bitwise ETHW (0.20%) and Franklin EZET (0.19%). The Grayscale ETH Mini Trust (ticker ETH) at 0.15% is the absolute fee floor.
• IBIT vs FBTC: same 0.25% fee, but IBIT uses Coinbase Custody and is ~3x larger; FBTC self-custodies via Fidelity Digital Assets. ETHA vs FETH: same trade-offs at the Ethereum layer.
• The SEC approved 11 spot Bitcoin ETFs simultaneously on January 10, 2024 and 9 spot Ethereum ETFs on July 23, 2024. By April 2026 total US crypto ETF AUM exceeds $96B for bitcoin alone, with staking-enabled ETH ETFs (ETHB) live since March 2026.

Last updated: 2026-04-26 — Educational content only. Not financial advice. Consult a financial advisor before investing.

Table of contents

• What is a crypto ETF?
• History of crypto ETFs
• The 11 spot Bitcoin ETFs
• The 9 spot Ethereum ETFs
• Why crypto ETFs matter
• AUM tables: April 2026 data
• Issuer profiles
• How crypto ETFs work — APs, NAV, creation/redemption
• Custodians: Coinbase, Fidelity Digital Assets, Gemini
• Hong Kong spot crypto ETFs
• European crypto ETPs
• How to choose the right crypto ETF
• Tax treatment of crypto ETFs
• Risks of crypto ETFs
• The future: Solana, XRP, multi-asset, staking ETFs
• 2026 cycle context
• FAQ
• Glossary

What is a crypto ETF?

A crypto ETF is an exchange-traded fund that gives investors price exposure to a cryptocurrency — typically bitcoin or ether — through a regulated security that trades on a national stock exchange like Nasdaq or NYSE Arca. Like any ETF, shares are issued and redeemed by authorized participants, trade intraday at market-driven prices, and report a daily net asset value (NAV).

Crypto ETFs come in two structural flavors:

• Spot crypto ETFs hold the actual cryptocurrency. The iShares Bitcoin Trust (IBIT) holds real BTC at Coinbase Custody; the iShares Ethereum Trust (ETHA) holds real ETH. NAV is the dollar value of the crypto holdings divided by shares outstanding.
• Futures-based crypto ETFs hold rolling futures contracts on CME, not the underlying coin. ProShares BITO — the first US bitcoin ETF, launched October 19, 2021 — was futures-based and suffered well-documented contango drag.

The 2024 wave that this guide focuses on are spot crypto ETFs, which finally arrived in the United States after a decade of regulatory rejection. They are by far the larger and more liquid category — IBIT alone holds more bitcoin than MicroStrategy and any sovereign nation as of April 2026.

The legal wrapper for US spot bitcoin and ether ETFs is a grantor trust registered under the Securities Act of 1933, listed on a national exchange under SEC oversight. Investors do not custody the crypto themselves; instead, the trust contracts a qualified custodian (Coinbase Custody for most, Fidelity Digital Assets for the Fidelity products) to hold cold-storage keys. Each share represents a fractional undivided beneficial interest in the trust's bitcoin or ether holdings.

History of crypto ETFs

The path from first filing to approved spot bitcoin ETF took more than a decade — one of the longest regulatory sagas in modern US securities history.

• July 2013 — Cameron and Tyler Winklevoss file the first US spot Bitcoin ETF application via Winklevoss Bitcoin Trust. The SEC takes nearly 4 years to respond.
• March 10, 2017 — SEC rejects the Winklevoss spot Bitcoin ETF citing market manipulation concerns and lack of a regulated bitcoin market large enough to support surveillance-sharing agreements. This rejection sets the template for dozens of subsequent denials over the next 7 years.
• October 19, 2021 — ProShares launches BITO, the first US Bitcoin ETF — but it is futures-based, not spot. BITO crosses $1B AUM in two days, the fastest ETF launch in history at the time.
• 2022-2023 — Grayscale sues the SEC after the agency rejects its application to convert GBTC from a closed-end trust to a spot ETF. In August 2023 the DC Circuit rules unanimously in Grayscale v. SEC that the agency's rejection was "arbitrary and capricious" — the inflection point that forces SEC capitulation.
• January 10, 2024 — In a 3-2 vote, SEC Chair Gary Gensler approves 11 spot Bitcoin ETFs simultaneously. Bitcoin advocates including Cory Klippsten celebrate the moment as the institutional gateway. The agency's official approval order (SEC Release 34-99306) covers BlackRock, Fidelity, ARK 21Shares, Bitwise, Invesco, VanEck, WisdomTree, Franklin, Valkyrie, Hashdex, and the GBTC conversion.
• January 11, 2024 — All 11 spot Bitcoin ETFs begin trading. GBTC converts from a closed-end trust to an ETF the same day, ending its years-long premium/discount-to-NAV cycle.
• May 23, 2024 — SEC approves the 19b-4 rule changes for spot Ethereum ETFs.
• July 23, 2024 — 9 spot Ethereum ETFs launch simultaneously. Grayscale converts ETHE; BlackRock launches ETHA; Fidelity launches FETH.
• July 31, 2024 — Grayscale launches the BTC Mini Trust (a low-fee carve-out at 0.15%) and ETH Mini Trust to compete on price.
• April 30, 2024 — Hong Kong launches 6 spot crypto ETFs with in-kind creation/redemption — the first major spot crypto ETF market outside the US.
• 2025 — In-kind creation/redemption approved for US spot crypto ETFs. IBIT becomes the fastest ETF in history to reach $50B AUM.
• March 17, 2026 — SEC and CFTC issue joint interpretive release classifying staking rewards as non-securities for 16 digital commodities including ETH, opening the door to staking-enabled ETH ETFs.
• March 12, 2026 — BlackRock launches ETHB, a staking-enabled variant of ETHA that captures roughly 82% of gross ETH staking yield.

The 11 spot Bitcoin ETFs

All eleven launched on January 11, 2024. The table below summarizes ticker, issuer, fee, custodian, and approximate AUM as of April 2026.

Total spot Bitcoin ETF AUM (April 2026): ~$96B. IBIT alone accounts for roughly 65% of the category.

IBIT — iShares Bitcoin Trust (BlackRock)

IBIT is the dominant spot Bitcoin ETF and the most important crypto product ever issued by a traditional asset manager. Sponsored by BlackRock — the world's largest asset manager with over $11.5 trillion AUM across all products — IBIT trades on Nasdaq, charges a 0.25% management fee (waived on the first $5B during the first 12 months), and uses Coinbase Custody Trust Company as its sole bitcoin custodian.

By April 2026 IBIT held more than 806,700 BTC worth approximately $63B, making it the fastest ETF in history to reach the $50B AUM milestone (achieved January 2025). For comparison, the SPDR Gold Shares (GLD) — the previous record-holder — took roughly 2 years to reach $50B; IBIT crossed it in just under 12 months. CEO Larry Fink — once a vocal bitcoin skeptic — has publicly framed IBIT as part of BlackRock's broader tokenization thesis.

FBTC — Fidelity Wise Origin Bitcoin Fund

FBTC from Fidelity is the second-largest spot Bitcoin ETF with approximately $20.5B AUM in April 2026. It charges 0.25% (waived through August 2024) and is the only large product that self-custodies via Fidelity Digital Assets, the institutional crypto custody business Fidelity launched in 2018. For investors who view custodian concentration at Coinbase as a systemic risk, FBTC is the natural alternative.

BITB — Bitwise Bitcoin ETF

BITB from Bitwise charges 0.20% (waived on the first $1B) and is unique in publishing on-chain proof-of-reserves — a transparent dashboard listing every wallet address holding the trust's bitcoin. Bitwise also donates 10% of profits from BITB to Bitcoin open-source developers.

ARKB — ARK 21Shares Bitcoin ETF

ARKB is co-issued by ARK Invest (founded by Cathie Wood) and 21Shares — the Swiss firm that has issued European crypto ETPs since 2018. Fee: 0.21%.

GBTC — Grayscale Bitcoin Trust

GBTC is the legacy product. Originally a closed-end trust launched in 2013, it was the only regulated US bitcoin product for nearly a decade and historically traded at large premiums (and later large discounts) to NAV. After conversion on January 11, 2024 the captive premium collapsed; investors fled the 1.5% expense ratio in favor of cheaper alternatives. By mid-2024 GBTC had hemorrhaged over $20B in outflows — though it remains profitable for Grayscale because the AUM that stayed is still significant.

BTC Mini, HODL, BRRR, EZBC, BTCO, DEFI

Smaller-AUM products that compete on fee or distribution. The Grayscale Bitcoin Mini Trust (ticker BTC, launched July 31 2024 at 0.15%) is the cheapest spot bitcoin ETF available. HODL from VanEck and BTCO from Invesco (sub-advised by Galaxy Digital) draw on TradFi distribution channels. EZBC from Franklin Templeton at 0.19% undercuts most large issuers. DEFI from Hashdex was a converted commodity-pool product with the highest fee at 0.90% and remains the smallest by AUM.

The 9 spot Ethereum ETFs

All nine launched July 23, 2024.

Total spot Ethereum ETF AUM (April 2026): ~$18B. ETHA dominates with ~57% share. ETHE outflows in the first week after launch exceeded $1B as investors fled the 2.5% fee — the same pattern as GBTC.

ETHA vs FETH — the head-to-head

ETHA and FETH follow the same template as IBIT/FBTC at the Ethereum layer: same 0.25% fee, ETHA on Coinbase Custody and ETHA leads on AUM/liquidity, FETH self-custodies via Fidelity Digital Assets and offers commission-free trading inside Fidelity brokerage accounts. For most investors ETHA wins on liquidity (tighter spreads on large blocks); FETH wins for Fidelity-account holders seeking integrated reporting and custody diversification away from Coinbase.

Staking-enabled ETH ETFs (post-March 2026)

Following the SEC and CFTC joint interpretive release of March 17, 2026 classifying ETH staking rewards as non-securities, BlackRock launched ETHB on March 12, 2026 — a staking-enabled ETH ETF that stakes 70-95% of its ETH holdings via Coinbase Prime and distributes approximately 82% of gross staking rewards monthly. Net yield to investors after fees and validator commission is roughly 2.6-3.1% annualized as of April 2026 (depending on network conditions). Bitwise, Fidelity, and Franklin filed similar staking variants in Q2 2026.

Why crypto ETFs matter

Crypto ETFs are the most important regulatory development for digital assets since the launch of bitcoin itself. Five reasons they matter:

1. TradFi distribution access. Pre-2024, the only way to buy bitcoin was through a crypto-native exchange (Coinbase, Kraken, Binance) or a closed-end trust like GBTC. ETFs route bitcoin demand through every brokerage, RIA platform, and 401(k) menu in the United States.
2. No custody overhead. Self-custody requires hardware wallets, seed phrase management, and multisig hygiene. ETF investors offload custody risk to professional, insured custodians — at the cost of counterparty risk.
3. Retirement account eligibility. IRAs, Roth IRAs, and 401(k) brokerage windows can hold ETFs. This unlocks an estimated $35T+ in US retirement assets to potential bitcoin allocation.
4. Regulatory clarity. SEC oversight, daily NAV disclosure, audited financials, and exchange-listed surveillance reduce both real and perceived risk.
5. Cost. A 0.15-0.25% fee is dramatically cheaper than the 1-2% historically charged by GBTC, the 1-3% spread on retail crypto exchanges, or the operational complexity of running a self-custody node.

AUM tables: April 2026 data

Bitcoin ETF AUM ranking

1. IBIT — $63.0B
2. FBTC — $20.5B
3. GBTC — $14.8B
4. BITB — $4.2B
5. ARKB — $4.0B
6. BTC Mini — $3.5B
7. HODL — $1.3B
8. EZBC — $0.9B
9. BTCO — $0.7B
10. BRRR — $0.6B
11. DEFI — $0.1B

Ethereum ETF AUM ranking

1. ETHA — $10.2B
2. ETHE — $3.7B
3. FETH — $1.9B
4. ETH Mini — $1.4B
5. ETHW — $0.5B
6. ETHV — $0.2B
7. CETH — $0.2B
8. QETH — $0.1B
9. EZET — $0.1B

Bitcoin ETF fee ranking (lowest-to-highest, sponsor fee)

1. BTC Mini — 0.15%
2. EZBC — 0.19%
3. BITB / HODL — 0.20%
4. ARKB — 0.21%
5. IBIT / FBTC / BRRR / BTCO — 0.25%
6. DEFI — 0.90%
7. GBTC — 1.50%

Ethereum ETF fee ranking (lowest-to-highest)

1. ETH Mini — 0.15%
2. EZET — 0.19%
3. ETHW / ETHV — 0.20%
4. CETH — 0.21%
5. ETHA / FETH / QETH — 0.25%
6. ETHE — 2.50%

Issuer profiles

BlackRock

BlackRock is the world's largest asset manager with $11.5T AUM. CEO Larry Fink reversed his pre-2022 bitcoin skepticism and now publicly endorses bitcoin and tokenization as core themes. IBIT and ETHA are dominant in their respective categories; ETHB extended the franchise into staking. BlackRock also issues the BUIDL tokenized money-market fund on Ethereum and is the most active TradFi player in tokenization.

Fidelity

Fidelity — a $13T-AUM brokerage and asset manager — has run Fidelity Digital Assets since 2018, providing institutional bitcoin custody and execution. FBTC and FETH are the only large spot crypto ETFs that do not use Coinbase Custody. Fidelity also published influential crypto-research notes including its 2022 "Bitcoin First" thesis.

Bitwise

Bitwise is a crypto-native asset manager founded in 2017. Known for transparent on-chain proof-of-reserves dashboards, Bitwise issues BITB and ETHW (which donates 10% of profits to OSS developers), as well as multi-asset crypto index products and the Bitwise 10 Crypto Index Fund. Annual Bitwise Crypto Market Review is widely cited.

ARK Invest / 21Shares

ARK Invest — founded by Cathie Wood — is the highest-profile thematic ETF issuer in the US. It partners with 21Shares, a Zurich-based ETP pioneer that listed the world's first physical-bitcoin ETP on SIX Swiss Exchange in 2018. The pair issues ARKB (BTC) and CETH (ETH).

Grayscale

Grayscale ran the original closed-end Grayscale Bitcoin Trust starting 2013 and Grayscale Ethereum Trust starting 2017. The 2023 Grayscale v. SEC DC Circuit ruling forced the SEC to approve spot ETF conversions. Grayscale's high-fee legacy products (GBTC 1.5%, ETHE 2.5%) compete with their own low-fee Mini Trusts (BTC 0.15%, ETH 0.15%).

VanEck, Invesco, Franklin Templeton, Valkyrie

VanEck is a 70-year-old commodities-and-emerging-markets specialist that issues HODL and ETHV (with Gemini Custody). Invesco — a $1.6T TradFi giant — co-issues BTCO and QETH with Galaxy Digital. Franklin Templeton is the lowest-fee large issuer (EZBC 0.19%, EZET 0.19%) and has been notably crypto-forward, holding BlackRock's BUIDL and tokenizing money-market funds on multiple chains. Valkyrie issues BRRR.

Hashdex

Hashdex is a Brazil-based crypto asset manager. Its DEFI product was originally a commodity-pool that converted to a spot Bitcoin ETF in March 2024 (later than the January 11 wave) and carries the highest non-Grayscale fee at 0.90%.

How crypto ETFs work

Authorized participants and creation/redemption

ETFs maintain price tracking through a creation/redemption arbitrage performed by authorized participants (APs) — large broker-dealers and market makers contracted by the issuer. Spot crypto ETF APs include:

• Jane Street
• Virtu Financial
• Cantor Fitzgerald
• JPMorgan (added later)
• Marex, Macquarie, ABN AMRO Clearing

When ETF shares trade above NAV, an AP creates new shares (delivers cash or in-kind crypto, receives shares) and sells them on the exchange — pushing price down to NAV. When shares trade below NAV the reverse occurs. A creation unit is typically 5,000 to 10,000 shares.

Cash vs in-kind creations

Initially the SEC required cash creations: APs deliver USD, the issuer's trade desk buys bitcoin in the spot market, the bitcoin moves to the custodian, and ETF shares mint. This adds operational steps and basis risk. In-kind creations — where APs deliver bitcoin directly — are more efficient and were approved for US spot crypto ETFs in 2025. Hong Kong launched with in-kind from day one in April 2024.

NAV, premium/discount, tracking error

Each fund publishes a daily NAV computed from a reference index (typically the CF Benchmarks CME CF Bitcoin Reference Rate for BTC, or the CME CF Ether-Dollar Reference Rate for ETH). Intraday market prices can diverge slightly from NAV — that's the premium/discount. AP arbitrage compresses the spread to a few basis points for high-AUM products like IBIT and ETHA. Smaller products can show wider deviations and weaker tracking, particularly at market open and close.

Custodians

Custody concentration is the single most important systemic risk in spot crypto ETFs.

Coinbase Custody

Coinbase Custody Trust Company — a New York limited-purpose trust regulated by NYDFS — holds bitcoin or ether for 8 of 11 spot Bitcoin ETFs (IBIT, BITB, ARKB, GBTC, BTC Mini, BRRR, EZBC, BTCO, DEFI in part) and 8 of 9 spot Ethereum ETFs (ETHA, ETHE, ETH Mini, ETHW, CETH, QETH, EZET, FETH excepted). Concentration risk is substantial — a Coinbase outage, hack, or insolvency event would cascade across most of the category.

Fidelity Digital Assets

Fidelity Digital Assets — Fidelity's wholly-owned crypto custody and execution arm operating since 2018 — is the only major non-Coinbase custodian among large issuers. It custodies FBTC and FETH using cold-storage and multi-sig infrastructure separate from Coinbase. For investors prioritizing custodian diversification, FBTC + FETH is the cleanest pairing.

Gemini Custody

Gemini Custody — founded by the Winklevoss twins — custodies VanEck's HODL and ETHV. Smaller in AUM share but a third option for diversification.

Hong Kong spot crypto ETFs

On April 30, 2024 Hong Kong launched 6 spot crypto ETFs — 3 spot Bitcoin and 3 spot Ethereum — making it the first major Asian market with regulated spot crypto ETF access. Issuers: CSOP, Harvest Global, and a Bosera-HashKey-ChinaAMC consortium.

Distinguishing features:

• In-kind creation/redemption from day one — investors can deliver bitcoin or ether directly to create shares (US ETFs only got this in 2025).
• Smaller AUM than US peers — combined under $1B versus $96B in US BTC ETFs alone — but provide important Asia-time-zone price discovery.
• Listed on the Hong Kong Stock Exchange (HKEX) under SFC regulation.

European crypto ETPs

Europe technically does not have crypto ETFs in the US sense — instead it has crypto ETPs (exchange-traded products) structured as debt securities or certificates. They have been live since 2018, predating US spot ETFs by 6 years.

• 21Shares — Zurich-based; world's first physical-bitcoin ETP on SIX Swiss Exchange in 2018; now lists 30+ products across BTC, ETH, SOL, multi-asset baskets, and staking-enabled variants.
• CoinShares Physical — Jersey-based; large institutional ETP suite.
• ETC Group — Germany-based; lists BTCE on Deutsche Börse Xetra.
• WisdomTree Europe — runs WBTC and WETH ETPs on European exchanges.

European crypto ETPs collectively manage approximately $15-18B in AUM as of April 2026, mostly from European pensions and family offices.

How to choose the right crypto ETF

A practical decision tree:

1. Minimize total cost over 5+ years? Pick the lowest-fee product with adequate liquidity. BTC Mini (0.15%) for bitcoin, ETH Mini (0.15%) for ether. Trade execution costs may slightly exceed lower-AUM products' bid-ask spreads, but over multi-year holds the fee differential dominates.
2. Want maximum liquidity and tightest spreads on size? IBIT for BTC, ETHA for ETH. Their AUM and order-book depth make them the cleanest large-block executions.
3. Prefer custody diversification away from Coinbase? FBTC + FETH (Fidelity Digital Assets) or HODL + ETHV (Gemini Custody).
4. Already use Fidelity brokerage? FBTC + FETH trade commission-free with consolidated reporting.
5. Want yield on ETH holdings? Use ETHB (BlackRock's staking-enabled variant) for ~2.6-3.1% net staking yield in April 2026.
6. Want crypto-native transparency? BITB (Bitwise) publishes proof-of-reserves wallet addresses; ETHW donates 10% to OSS.
7. Avoid GBTC and ETHE unless you have a specific tax-lot reason — the 1.5% / 2.5% fees are punitive vs alternatives.

Tax treatment of crypto ETFs

US spot Bitcoin and Ethereum ETFs are organized as grantor trusts. For tax purposes investors are treated as if they directly own a fractional share of the bitcoin or ether held by the trust. Implications:

• Long-term capital gains (held over 1 year) are taxed at standard 0%, 15%, or 20% federal rates — not the 28% collectibles rate that applies to physical-metal ETFs (GLD, SLV).
• Short-term gains (under 1 year) are taxed as ordinary income.
• The trust passes through expenses; you may receive a small expense allocation on Schedule K-1 or 1099.
• In-kind redemptions are not taxable to the investor (only relevant to APs).
• Wash-sale rules technically do not apply to crypto directly, but the SEC has not formally clarified application to spot-crypto-ETF shares — most CPAs treat them as equity ETFs (wash sale applies).
• State tax treatment varies. Always consult a CPA.

Risks of crypto ETFs

• Crypto market volatility. Bitcoin fell roughly 50% from $126K in October 2025 to ~$63K by April 2026. ETF investors bore the same drawdown as direct holders, minus the management fee.
• Custodian counterparty risk. Coinbase Custody holds for the vast majority of products. A custodian failure event would create category-wide settlement chaos.
• Management fee drag. Over 10 years a 1.5% fee compounds to roughly 14% of total return vs a 0.15% fee. GBTC holders pay this drag every year.
• Premium/discount to NAV. Less of a problem for high-AUM products; can be material for low-AUM products especially around market open/close.
• Tracking error. Cash creation, custody fees, and reference-rate mechanics introduce small tracking gaps.
• Regulatory changes. SEC leadership transitions and CFTC jurisdictional shifts (e.g. the March 2026 staking guidance) can change ETF structure or eligible features.
• Concentrated holdings. IBIT alone holds ~4% of all bitcoin in existence as of April 2026 — concentrated supply with implications for liquidity if large redemptions cluster.

The future: Solana, XRP, multi-asset, staking ETFs

Active filings as of April 2026:

• Spot Solana ETFs — VanEck, 21Shares, Bitwise, Franklin Templeton, Canary Capital, and Grayscale have all submitted spot SOL ETF S-1s since mid-2024. The SEC's 2025-2026 stance has been notably more constructive than under Gary Gensler. Expected approval window: H2 2026.
• Spot XRP ETFs — Bitwise, Canary, 21Shares, and Grayscale have active filings. Approval likely tied to final resolution of the SEC v. Ripple appeal posture.
• Multi-asset crypto index ETFs — Bitwise's BITW and Hashdex's NCI converted to ETFs in 2024-2025; broader basket products are in registration.
• Staking-enabled ETH ETFs — ETHB launched March 2026; Fidelity, Bitwise, and Franklin filed amendments to stake their existing ETH ETFs.
• Tokenized ETF shares — BlackRock and Franklin Templeton are exploring on-chain share registries for major ETFs, building on the BUIDL tokenized money-market fund template.

2026 cycle context

The 2024-2026 cycle has reshaped institutional bitcoin exposure permanently:

• Bitcoin reached an all-time high of ~$126K in October 2025 before correcting roughly 50% to ~$63K by April 2026.
• IBIT crossed $50B AUM in January 2025 (fastest ETF in history); reached $63B by April 2026 despite the BTC drawdown — a sign of net inflow strength.
• MicroStrategy was added to the Nasdaq 100 in December 2024, effectively giving every QQQ holder bitcoin proxy exposure. MSTR remains the largest corporate bitcoin holder.
• Total US spot Bitcoin ETF AUM stabilized near $96B in mid-April 2026 across all 11 products.
• Spot Ethereum ETFs grew slower than BTC analogs initially but accelerated dramatically after the March 2026 staking guidance — combined ETH ETF AUM (US + Europe) crossed $25B by April 2026.
• The single-day inflow record for IBIT reached $970M in April 2026, signaling continued strong institutional demand even at 50% drawdown levels.

Glossary

• AUM — Assets Under Management. Total market value of crypto held by the fund.
• Authorized Participant (AP) — Broker-dealer that creates and redeems ETF shares with the issuer.
• Creation Unit — Block size for share creation/redemption (typically 5,000-10,000 shares).
• Custodian — Qualified entity that holds the underlying crypto in cold storage on behalf of the trust.
• Expense Ratio — Annual fee charged by the issuer, expressed as a % of AUM.
• Grantor Trust — Legal structure where investors are treated as direct owners of the underlying asset for tax purposes.
• In-Kind Creation — AP delivers actual bitcoin/ether (not cash) in exchange for ETF shares.
• NAV (Net Asset Value) — Per-share value computed from the trust's bitcoin or ether holdings divided by shares outstanding.
• Premium/Discount — Difference between market price and NAV.
• Reference Rate — Daily benchmark price used to mark NAV (e.g. CME CF Bitcoin Reference Rate).
• Spot ETF — ETF that holds the actual underlying crypto (vs futures-based ETFs that hold derivatives contracts).
• Tracking Error — Deviation between ETF return and reference asset return.

Related reading (internal links)

• Spot Bitcoin ETF deep-dive
• Bitcoin Halving 2024 explainer
• Ethereum staking guide
• Coinbase Custody explainer
• Grayscale Trust history
• SEC crypto regulation 2026 update
• BlackRock tokenization thesis
• Solana ETF watch

Sources and further reading

• SEC Press Release: Approval of Spot Bitcoin ETPs (Jan 10 2024)
• SEC Order 34-99306 — Spot BTC ETF approval
• SEC Order 34-100224 — Spot ETH ETF approval
• BlackRock IBIT product page
• iShares IBIT product page
• iShares ETHA product page
• Fidelity FBTC product page
• Bitwise BITB product page
• Bitwise ETHW product page
• ARK 21Shares ARKB product page
• Grayscale GBTC product page
• Grayscale ETHE product page
• VanEck HODL product page
• Invesco BTCO product page
• Franklin EZBC product page
• Hashdex DEFI product page
• ProShares BITO product page
• Coinbase Institutional Custody
• Fidelity Digital Assets
• Gemini Custody
• SFC Hong Kong policy statements
• Galaxy Digital ETF research insights
• a16z State of Crypto Report
• CME CF Bitcoin Reference Rate methodology
• Federal Register — SEC Approval Notice Jan 12 2024

About the author

GG Cypher Research is a digital-assets research collective focused on on-chain data, MEV, and crypto-market structure. Authors hold no positions in any individual ETF discussed and receive no affiliate compensation from any issuer mentioned. We follow the E-E-A-T standard for editorial content: experience (multi-cycle crypto market participation), expertise (on-chain forensic and regulatory analysis), authoritativeness (cited research and primary-source links), and trustworthiness (no shilling, full disclosures).

Disclaimer: This article is educational content only. It is not financial advice, investment advice, tax advice, or a recommendation to buy or sell any security or digital asset. Crypto markets are highly volatile and ETF products carry custodian, regulatory, and market risk. Always consult a qualified financial advisor and tax professional before making investment decisions. Past performance is not indicative of future results.

Last updated: 2026-04-26