Multi-Chain Treasury Token Deployment: Where BUIDL, BENJI, OUSG, and USYC Live On-Chain

Multi-Chain Strategy for Tokenized Treasury Products

The tokenized treasury market has expanded beyond single-chain deployment to multi-chain distribution, with leading products available across 8-10 blockchain networks. RWA.xyz data shows Ethereum commanding 59% of the RWA market at $7.5B across 335 products, but significant assets also reside on Stellar, Solana, Polygon, Avalanche, Arbitrum, Optimism, Aptos, BNB Chain, and others. BUIDL leads with 8 chains, BENJI with 9 chains (63% on Stellar), and USDY with 10 chains.

Each chain offers distinct advantages — Ethereum provides security and institutional credibility, Stellar offers low-cost regulated asset transfers, Solana delivers high throughput, and Layer 2 networks provide Ethereum security at reduced costs. Understanding chain deployment strategies is essential for evaluating market access options and custody solutions.

Chain-by-Chain Analysis

Ethereum (59% Market Share)

Ethereum hosts the majority of tokenized treasury AUM including BUIDL (primary chain), OUSG, USYC, and BENJI (newest deployment). Ethereum’s advantages include the largest institutional DeFi ecosystem, battle-tested security (no successful consensus attacks), extensive auditing infrastructure, and deep Securitize integration.

Gas costs remain Ethereum’s primary disadvantage for smaller transactions. A BUIDL transfer costs $5-15 depending on network congestion, making sub-$10,000 transactions economically inefficient. Layer 2 rollups (Arbitrum, Optimism) address this while inheriting Ethereum security.

Stellar

Franklin Templeton chose Stellar as BENJI’s original chain in 2021, and it remains dominant with 63% of BENJI’s $1.01B AUM (~$489M) concentrated on Stellar. Stellar’s built-in compliance features — including asset authorization flags and clawback capabilities — make it uniquely suited for regulated securities. Transaction costs of $0.00001 enable micro-transactions and frequent rebalancing without gas cost concerns. BENJI has since expanded to 9 blockchains total: Stellar, Arbitrum, Base, Ethereum, Avalanche, Polygon, Aptos, Solana, and BNB Chain.

Stellar’s disadvantage is its smaller DeFi ecosystem relative to Ethereum. Fewer protocols, fewer composability options, and less institutional liquidity on-chain limit the utility of BENJI on Stellar beyond simple holding and transfer.

Solana

Ondo Finance deployed OUSG on XRP Ledger, Solana, Polygon, and Ethereum, while USDY spans 10 chains: Ethereum, Solana, Mantle, Sui, Aptos, Arbitrum, Noble, Stellar, Plume, and Cosmos. USDY’s 10-chain deployment is the broadest of any single tokenized yield product. Solana’s 400ms block times and sub-cent transaction costs enable high-frequency trading and DeFi strategies impractical on Ethereum mainnet.

Polygon, Avalanche, Arbitrum, Optimism

Multiple products have deployed across these EVM-compatible chains to capture their specific user bases and DeFi ecosystems. BUIDL expanded to Avalanche, Optimism, Arbitrum, and Polygon. Each deployment requires Securitize to maintain separate smart contracts, compliance checks, and transfer agent functions.

Aptos

Emerging as a treasury token chain, Aptos has attracted interest from Ondo Finance and others seeking next-generation blockchain infrastructure for tokenized products. Aptos’s Move programming language provides safety features that reduce smart contract risk — relevant for high-value fund tokens.

Cross-Chain Bridging

Moving tokenized fund shares between chains requires specialized infrastructure. Standard crypto bridges (Wormhole, LayerZero) are generally not compatible with permissioned fund tokens that require KYC’d holder whitelists. Instead, cross-chain transfers typically require redemption on the source chain and re-subscription on the destination chain — a process handled by the transfer agent (Securitize for BUIDL, Franklin Templeton for BENJI, Ondo for OUSG).

Some products are developing native cross-chain transfer capabilities that maintain KYC compliance across chains. This would allow a BUIDL holder on Ethereum to transfer directly to Arbitrum without redeeming and re-subscribing.

Cross-Chain Bridging Challenges for Permissioned Tokens

Standard crypto bridges (Wormhole, LayerZero, Across) are designed for permissionless tokens — any address can send and receive bridged assets. Tokenized fund products with KYC whitelists cannot use these bridges because the bridge contract addresses are not whitelisted, destination addresses may not be whitelisted on the target chain, and compliance records must transfer alongside the tokens.

This creates a practical problem for investors wanting to move their BUIDL from Ethereum to Arbitrum, or their OUSG from Ethereum to Solana. Currently, cross-chain transfer requires:

1. Redeem on source chain — submit a redemption request through the product platform
2. Receive USDC/USD — wait for T+0 to T+2 settlement
3. Bridge USDC to destination chain — use standard stablecoin bridges
4. Subscribe on destination chain — submit a new subscription through the product platform
5. Complete KYC if required — some products require chain-specific KYC verification

This multi-step process takes 1-5 business days and incurs redemption/subscription fees plus bridging costs. For institutional allocators managing multi-chain positions, this friction is significant.

Native Cross-Chain Transfer Development

Securitize is developing native cross-chain transfer capabilities for BUIDL that would maintain KYC compliance across chains. Under this system, a whitelisted BUIDL holder on Ethereum could transfer directly to Arbitrum or Polygon in a single transaction, with the compliance check handled at the transfer agent level rather than the bridge level. This capability would significantly reduce the friction of multi-chain position management.

Ondo Finance faces similar challenges with OUSG across Ethereum, Solana, and Polygon. USDY’s permissionless secondary market model partially solves this — after the holding period, USDY can be bridged through standard infrastructure because it does not require destination-address whitelisting.

Institutional Infrastructure by Chain

Not all chains offer equivalent institutional infrastructure. The availability of institutional custody, compliance tools, and on/off-ramps affects which chains are viable for regulated fund products.

Ethereum has the deepest institutional infrastructure, explaining its 59% market share. Stellar has limited institutional custody support beyond Franklin Templeton’s proprietary infrastructure. Solana has improved institutional coverage significantly since 2024, but gaps remain with some custodians. The custody solutions guide details provider-by-chain compatibility.

Chain Security Considerations

For products managing billions in AUM, blockchain security is not theoretical — it affects real asset safety.

Ethereum: Secured by $100B+ in staked ETH through proof-of-stake consensus. No successful consensus attack in its history. The highest economic security of any public blockchain, making it the default choice for large institutional positions.

Stellar: Secured by the Stellar Consensus Protocol (SCP), which relies on federated Byzantine agreement rather than economic staking. Lower economic security budget than Ethereum but a clean operational record since 2015.

Solana: Secured by proof-of-stake with approximately $50B in staked SOL. Historical network outages in 2022-2023 temporarily froze all on-chain activity — including tokenized fund operations. While reliability improved significantly in 2024-2025, the historical record creates institutional hesitancy. For risk-averse allocators, Solana’s outage history means potentially being unable to access or transfer fund tokens during network disruptions.

Layer 2s (Arbitrum, Optimism, Polygon): Security properties depend on the specific L2 architecture. Optimistic rollups (Arbitrum, Optimism) derive security from Ethereum mainnet through fraud proofs. Polygon’s proof-of-stake sidechain has independent security (transitioning to zkEVM rollup). All L2s add an additional trust assumption beyond Ethereum mainnet.

Chain Selection for Investors

For institutional allocators evaluating market access, chain selection depends on five factors.

Factor 1 — Existing Blockchain Infrastructure: Most institutions have Ethereum-first infrastructure (custody, compliance, trading). Deploying on a new chain requires additional infrastructure setup, increasing operational complexity.

Factor 2 — Product Availability: Ethereum provides the broadest product selection — all major tokenized treasury products are available on Ethereum. Stellar is exclusive to BENJI. Solana serves Ondo products. Layer 2s offer cost-efficient BUIDL access.

Factor 3 — Gas Cost Sensitivity: For positions under $100K with monthly rebalancing, Layer 2s or Solana reduce gas friction materially. For positions above $1M, Ethereum mainnet gas is negligible. The fee analysis quantifies gas impact by position size.

Factor 4 — DeFi Integration Needs: Ethereum mainnet offers the deepest DeFi composability. OUSG leverage via Flux Finance is Ethereum-only. USDY DEX pools are deepest on Ethereum. syrupUSDC is Ethereum-only. The DeFi integration guide maps composability by chain.

Factor 5 — Custody Provider Support: Not all custody providers support all chains. Verify that your custodian supports your chosen chain before deploying. The custody solutions guide details chain support across providers.

Cross-Chain Bridging Risks and Native Deployments

A critical distinction exists between native multi-chain deployments and bridged tokens. BUIDL’s multi-chain strategy uses native deployments on each chain — meaning separate smart contract instances on Ethereum, Arbitrum, Optimism, Polygon, and Avalanche, each managed by Securitize and synchronized through off-chain processes. This native approach avoids cross-chain bridge risks (the Wormhole exploit of $320M and Ronin bridge hack of $625M demonstrate the catastrophic potential of bridge vulnerabilities).

Native multi-chain deployment means investors on each chain hold tokens backed by the same underlying fund but governed by chain-specific smart contracts. Transfer between chains requires going through the issuer’s infrastructure (redeem on Chain A, subscribe on Chain B) rather than bridging tokens directly. This process is slower (T+1 to T+3) but eliminates bridge risk entirely.

Ondo Finance similarly uses native deployments for OUSG and USDY across Ethereum, Solana, Polygon, and Aptos. Each chain has its own token contract with cross-chain supply managed through Ondo’s treasury operations. The smart contract audit analysis tracks audit coverage for each chain-specific deployment.

Future of Multi-Chain Treasury Token Distribution

The multi-chain landscape is evolving rapidly. Layer 2 rollups (Arbitrum, Optimism, Base, zkSync) are capturing growing share of DeFi activity, and tokenized fund issuers are responding with expanded deployment. BlackRock has already deployed BUIDL on five chains — the most aggressive multi-chain strategy of any tokenized fund issuer. The SEC has not issued specific guidance on multi-chain fund token deployment, but the regulatory framework for tokenized securities applies equally regardless of which blockchain hosts the token.

The emergence of chain abstraction protocols (which enable users to interact with tokens across chains without manually managing chain-specific wallets) could further reduce the friction of multi-chain deployment. If chain abstraction matures, investors may access BUIDL or OUSG on their preferred chain automatically, with the infrastructure handling chain selection based on gas costs, liquidity, and DeFi composability needs.

Regulatory Implications of Multi-Chain Deployment

Multi-chain deployment creates unique regulatory considerations that single-chain products avoid. The SEC has not issued specific guidance on how securities regulation applies to tokens deployed on multiple blockchains simultaneously, but several principles are relevant.

Consistent Compliance Across Chains: The legal and regulatory obligations of a tokenized fund issuer do not change based on which blockchain hosts the token. BUIDL must maintain identical KYC/AML compliance, whitelist enforcement, and transfer restrictions on Arbitrum as on Ethereum mainnet. This requires Securitize to maintain synchronized compliance infrastructure across all deployment chains — adding operational complexity and cost.

Cross-Chain Transfer Monitoring: Anti-money laundering regulations require transaction monitoring across all chains where a product is deployed. If a BUIDL holder redeems on Ethereum and re-subscribes on Arbitrum, this cross-chain movement must be tracked as a continuous compliance relationship, not two independent transactions. The KYC requirements guide covers platform-specific compliance processes.

Tax Implications of Cross-Chain Transfers: Whether bridging or redeem-and-resubscribe transfers between chains constitute taxable events remains an open question. The tax implications guide covers the limited IRS guidance available on cross-chain transfers of tokenized securities. The broader RWA market tracked by RWA.xyz — $20 billion across 55,520 treasury holders — increasingly spans multiple chains, making these regulatory questions relevant to a growing number of investors.

Multi-Chain Liquidity Fragmentation and Aggregation

Multi-chain deployment creates liquidity fragmentation — BUIDL holders on Arbitrum cannot trade directly with BUIDL holders on Polygon without cross-chain infrastructure. This fragmentation increases the importance of primary market subscription and redemption (through Securitize) as the primary liquidity mechanism, rather than secondary market trading. As chain abstraction protocols mature, automated routing between chains could reduce this fragmentation — enabling investors to access the deepest available liquidity across all deployment chains transparently without manual chain management or cross-chain operational complexity that currently burdens institutional investors holding and managing multi-chain positions. The secondary market analysis covers cross-chain liquidity dynamics.

The platform comparison maps product-chain combinations. The Ethereum dominance analysis provides deeper chain market share data. The chain distribution analysis maps AUM by product by chain. For TVL data, see the TVL tracker. For yield data, see the yield monitor. For the fee analysis including gas costs by chain, see the cost breakdown.