Bitwise, an asset manager best known for its spot crypto ETFs and crypto index funds, has rolled out a self-custodied tokenized stock portfolio on Base, Coinbase's Ethereum Layer 2, extending the asset manager's push into onchain investment products in which users hold the underlying tokens directly rather than through a custodial intermediary.

The launch pairs two distinct design choices, a self-custody model and a Base deployment, into a single tokenized equities product. It is a product-launch story rather than a broad tokenization thesis, and the details that matter are how the portfolio is held and where it settles.

What Bitwise Put Onchain

At the core of the announcement is a tokenized stock portfolio that settles on Base, the Optimism-stack Layer 2 that Coinbase launched in 2023 and that anchors its state to Ethereum. Choosing an L2 over Ethereum mainnet keeps settlement costs low for a portfolio product that may involve frequent rebalancing across multiple tokenized equity positions.

Bitwise has been building out automated onchain portfolio infrastructure, including its Automated Token Portfolios powered by Coinbase and Glider. The tokenized stock portfolio extends the same “packaged basket onchain” pattern from crypto assets to equities.

The self-custody framing is the differentiator. Rather than holding a claim on assets sitting with a custodian, users hold the tokenized positions in their own wallets, shifting key management, and the responsibility that comes with it, onto the holder.

Why Self-Custody and Base Shape the Product

Self-custody changes the trust assumptions of a tokenized equity product. The holder controls the private keys, so redemption and transfer flow through smart contracts and wallet signatures rather than an account with a broker, removing a layer of intermediary custody risk while adding user-side operational risk.

Base is central to that model because a low-fee, EVM-compatible L2 makes self-custodied basket management economically viable at retail size. The same design on Ethereum mainnet would carry materially higher per-transaction costs for rebalancing and redemption.

The launch is a product-design and access story, not an infrastructure deep-dive. The relevant question for users is what they now custody and settle themselves, not the throughput characteristics of the underlying rollup.

Where It Sits in the Tokenized Equities Race

Tokenized equities have become a contested segment on Base. Coinbase's own move to bring tokenized stocks to Base put the chain at the center of the onchain equities push, and Bitwise's self-custodied portfolio adds a packaged, multi-asset product to that mix.

The wave of launches comes amid a shift in the US regulatory posture: in 2025, staff at the SEC's Division of Corporation Finance stated that tokenized versions of stocks are not necessarily securities in and of themselves, while the underlying stocks remain regulated securities. That staff-level clarity, rather than a formal rule change, is the backdrop against which platforms have been rolling out onchain equity wrappers.

Other issuers are approaching the segment from different angles, from Kraken's xStocks tokenized equities to structured onchain funds. Bitwise has separately been exploring tokenizing a Solana staking ETF with Superstate, signaling a broader strategy of wrapping traditional fund exposures for onchain distribution.

The adoption implication is narrow but concrete: a self-custodied basket lowers the intermediary count for onchain investors who want equity exposure alongside their crypto positions in the same wallet. It also mirrors the direction seen in tokenized fixed income, where issuers such as Securitize have brought institutional fund platforms onchain and tokenized Treasury and money-market funds have been among the fastest-growing real-world-asset categories.

The risk profile is the flip side of the custody model. Self-custody removes custodial counterparty exposure but concentrates smart-contract risk, key-loss risk, and the redemption mechanics of the tokenized wrapper on the user. Liquidity depth for any single tokenized equity position, and how tightly it tracks the reference stock, are the metrics to watch as the product matures on Base.

Source: DefiLiban