Canton Strategic CEO Warns MEV Could Add Hidden Costs to Tokenized Stocks

Canton Strategic Holdings CEO Mark Wendland has warned that maximum extractable value (MEV) could leave tokenized stock investors paying hidden costs, as financial institutions weigh which blockchain networks will carry their securities. His comments, made to crypto.news, come as issuers begin deciding where tokenized shares may trade.

Wendland argued that payments to validators can hand some traders preferential execution while everyone else gets worse prices. "Issuers and market participants deserve an onchain market structure that prevents front-running and protects users from hidden costs," he said.

His remarks followed an article on X by Digital Asset co-founder and CEO Yuval Rooz, titled "Front-Running Is Not Payment for Order Flow," which questioned how some public blockchains handle transaction ordering. Digital Asset and Rooz hold minority stakes in Canton Strategic Holdings.

What did the Solana data show?

MEV describes profits that arise when traders or network operators influence the sequence of blockchain transactions. One form, the sandwich attack, involves buying an asset immediately before another trader's order and selling right after at a higher price. The targeted trader completes the transaction without seeing a separate charge for the price difference.

"When transacting on a chain that permits MEV, the true trading costs are paid by users who receive subpar execution," Wendland said.

The evidence behind Rooz's argument comes from Helius, which documented 1.55 million sandwich transactions by a single Solana trading program in the 30 days ending January 5, 2025. The program generated 65,880 SOL — roughly $13.43 million — in profit while paying 22,760 SOL, about $4.63 million, in Jito tips. Helius found that 16 of the 20 tokens most frequently targeted by the program originated on Pump.fun. The report covered one program, not all Solana activity, and separated tips paid to validators from profits captured by bots.

Rooz drew a sharp line between harmful MEV and payment for order flow, the arrangement in which brokerages receive compensation for routing customer orders to market makers. The latter operates inside securities-market requirements, including best execution and disclosures. Under FINRA Rule 5310, broker-dealers must use reasonable diligence to obtain favorable execution terms for customers. Rooz argued that what a bot pays for transaction priority doesn't reflect the full loss borne by affected users, which is why bot profits and validator tips should be examined separately. He acknowledged that not all MEV is harmful, distinguishing sandwich attacks from arbitrage that helps align prices across venues.

How does Canton claim to block MEV?

Wendland said Canton's architecture removes the two conditions that make sandwiching possible: public visibility of pending transactions and payments that influence ordering. "Importantly, the Canton Network is designed to prohibit MEV both in structure and practice," he said.

Canton's documentation describes a system where parties receive only transaction information relevant to them. The Global Synchronizer coordinates ordering, while network operators see limited metadata needed to confirm transactions, not full contents. Network usage fees are burned, and Canton Coin rewards fund infrastructure operators and contributors. Rooz added that the absence of a public mempool and paid priority ordering prevents the sandwiching he described. His article was prompted in part by SupaNova, a memecoin trading application on Canton, where the network's protections apply to individual trades.

Where does tokenized stock trading stand?

Canton Strategic completed its first tokenized share trades on November 4 under a US Securities and Exchange Commission exemption. Five North sold tokenized CNTN shares to DRW Cumberland, with Flowdesk supplying liquidity through a permissioned pool. Fairmint, an SEC-registered transfer agent, maintains the ownership record.

Issuer control has become a live issue elsewhere. At least 67 companies objected to OKXICE's tokenization plans by November 5, even as the venue set a November 23 launch for eligible US customers. The exemption lets issuers block third-party tokenization of their shares on a specific venue. Formation Securities, meanwhile, has proposed Solana-based stock trading starting in 2027, subject to applicable requirements, with shares of Exodus Movement, Forward Industries and Galaxy Digital among the proposed securities.

"As we speak, decisions are being made by institutions and regulators that will shape onchain markets well into the future," Wendland said. Those venue selections, made now by issuers weighing cost, speed and compliance, will determine whether MEV becomes a structural cost of tokenized securities or a problem designed out.