Key takeaways
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Crypto index funds and ETFs provide diversified exposure to digital assets, helping investors earn passive income without actively managing portfolios.
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Centralized and decentralized options exist, with ETFs available on stock exchanges and DeFi-native index tokens accessible via Web3 wallets.
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Income sources include asset appreciation, staking, DeFi yields and covered call strategies, depending on the fund’s structure — though not all funds support all these sources.
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Risks include market volatility, smart contract vulnerabilities and management fees, so it’s crucial to research before investing.
If you’re looking to invest in crypto but don’t want to stress over constant trading, passive investing might be your best bet. Just like in traditional finance, crypto index funds and exchange-traded funds (ETFs) offer exposure to a broad range of digital assets, allowing you to ride the market without picking individual winners.
These financial instruments can serve as powerful tools for generating passive crypto income, and with the rise of decentralized versions and tokenized ETFs, options are expanding fast.
This article will explain how you can earn passive income by investing in digital asset instruments like index funds and crypto ETFs.
What are crypto index funds and ETFs?
Both crypto index funds and ETFs are designed to give investors exposure to a diversified basket of cryptocurrencies without the need to actively manage or rebalance their holdings. But they come in different formats, tailored for different types of investors.
A crypto index fund is a pooled investment vehicle that tracks a curated group of cryptocurrencies, often the top 10 or 20 by market capitalization. These funds are rebalanced periodically to reflect market changes, offering passive, long-term exposure to the crypto market.
Think of them as the crypto equivalent of mutual funds, usually provided via crypto-native platforms. Index funds can be:
A crypto ETF, on the other hand, is a type of fund traded on traditional stock exchanges (like the NYSE) that mirrors the price of a specific cryptocurrency or a basket of digital assets. Investors can buy and sell ETF shares just like regular stocks, making them ideal for those who want crypto exposure through their brokerage account.
Some ETFs focus solely on Bitcoin (BTC) (like ProShares’ BITO). In contrast, others bundle multiple assets or even incorporate strategies like covered calls to generate yield (such as Harvest Portfolio’s high-income crypto ETFs).
Why use crypto index funds and ETFs for passive income?
In crypto, passive income means earning money on your holdings without actively trading or managing them daily. With markets this volatile, having a hands-off strategy can help you grow wealth steadily while minimizing emotional decision-making. That’s where index funds and ETFs come in.
These products offer built-in diversification, spreading risk across multiple assets, so you’re not betting everything on one coin. They’re ideal for long-term investors who want to benefit from crypto’s upside while avoiding constant portfolio tinkering.
Common ways in which crypto index funds and ETFs can generate passive income:
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Appreciation of underlying assets, such as BTC, Ether (ETH), Solana (SOL), etc.
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Staking rewards (for funds that include proof-of-stake assets)
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DeFi yields (in the case of decentralized index tokens)
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Income distributions: monthly or time-based (offered by some crypto ETFs).
These instruments are ideal for long-term investors who want exposure with less risk and effort. Whether you’re in it for yield, growth or peace of mind, crypto index products let you participate in the ecosystem without going all-in on any single bet.
Did you know? After over a decade of anticipation, the US Securities and Exchange Commission approved 11 spot Bitcoin ETFs in January 2024, including offerings from BlackRock, Grayscale and ARK Invest. This landmark decision provided mainstream investors with regulated access to Bitcoin, significantly boosting institutional participation in the crypto market.
Examples of crypto index funds for passive investing in 2025
In 2025, several crypto index funds have emerged as prominent choices for passive investors:
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Bitwise 10 (BITW): The Bitwise 10 crypto index fund provides exposure to the top 10 cryptocurrencies by market capitalization. Rebalanced monthly, it offers investors a way to participate in the broader crypto market’s performance without the need to manage individual assets. BITW is accessible through traditional brokerage accounts, making it suitable for both institutional and retail investors seeking diversified crypto exposure, as seen below.
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TokenSets: TokenSets offers a suite of decentralized index products, including the DeFi Pulse Index (DPI) and the Metaverse Index (MVI). These indexes are fully onchain, allowing for transparent and automated portfolio management via smart contracts. Investors can hold these index…
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