Adjusted stablecoin transfer volume set a new June record as USDC led activity
Visa's onchain analytics dashboard shows adjusted stablecoin transfer volume reached $1.79 trillion in June, topping the prior high from February. The mix matters as much as the headline: USDC accounted for roughly two-thirds of monthly value while Base and Ethereum handled the largest network share, pointing to a market that is broadening beyond exchange churn into more structured payment and settlement flows.

Adjusted stablecoin transfer activity reached a new high in June, offering one of the clearest recent signals that dollar tokens are becoming a more durable layer of market infrastructure rather than a sidecar to speculative crypto trading. According to Visa's onchain analytics dashboard, adjusted stablecoin transaction volume came in at $1.79 trillion for the month, up from $1.1 trillion in May and just above the previous record of $1.78 trillion set in February. On a year-over-year basis, the June total was reported at 125% above the comparable period a year earlier. For RWA markets, that matters because stablecoins increasingly act as the settlement cash leg for tokenized assets, treasury products and cross-border liquidity flows.
The composition of that volume is as important as the headline number. Visa's dashboard data, cited in the source reporting, showed USDC accounting for about $1.21 trillion of June activity, or roughly 67% of the adjusted total. USDT followed at about $576 billion, or 32%, while PayPal's PYUSD remained much smaller at roughly $2.42 billion for the month. That split suggests institutional and platform usage is not simply following market-cap rankings. Tether remains the largest stablecoin by supply, but adjusted transfer value in June skewed decisively toward USDC, a sign that reserve transparency, redemption rails and enterprise distribution continue to shape where high-value flows concentrate.
The network breakdown points in the same direction. Base led June adjusted stablecoin volume at about $565 billion, narrowly ahead of Ethereum at $562 billion, while Tron followed at roughly $320 billion. Read together, those figures suggest that stablecoin activity is now distributed across both legacy settlement rails and newer lower-cost execution layers. Ethereum remains central to large-value financial activity, but the near tie with Base indicates that layer-2 infrastructure is becoming material for dollar-denominated transfers at scale. That is relevant for tokenized securities and fund products as well, because issuers and venues increasingly need cash rails that are cheap enough for frequent movement but credible enough for institutional treasury operations.
A key reason the June record is worth taking seriously is that Visa is not presenting a raw transfer tally. The dashboard's published methodology says the adjusted dataset is built to remove activity likely to distort real usage, including bots, intra-exchange wallet rebalancing, internal smart-contract hops and very high-frequency unlabeled addresses that exceed thresholds such as 1,000 transactions or $10 million in 30-day volume. Visa says the methodology was developed collaboratively with Artemis, Allium and Castle Island Ventures. That does not make the figures perfect, but it does make them more useful than headline chain volume when the goal is to estimate organic stablecoin usage rather than internal market plumbing.
USDC's position in the June data also fits with Circle's own description of where the product is heading. Circle says USDC is natively issued on 35 blockchain networks and reported 73.7 billion USDC in circulation with $74.1 billion in reserves as of June 29. On its public product materials, the company emphasizes 24/7 settlement, global payments and reserve-backed redeemability rather than purely crypto-native trading use cases. That framing aligns with what the adjusted transaction data appears to show: the biggest flows are increasingly tied to a stablecoin that is being distributed as financial infrastructure for exchanges, fintechs, banks and onchain capital markets.
None of this means all stablecoin activity is suddenly becoming end-user commerce. Even after adjustment, a large share of monthly volume still reflects professional flows across trading venues, market makers, lending protocols and treasury operations. But that distinction is less dismissive than it once sounded. Those functions are exactly where real-world asset markets need dependable digital cash. Tokenized funds, private credit vehicles and onchain treasury products all work better when subscriptions, redemptions, collateral moves and secondary-market settlement can happen continuously without waiting for bank cutoff times. In that sense, stablecoin growth is not just a payments story; it is a market-structure story for the broader tokenization stack.
The larger implication is that the winners in onchain dollars may be decided less by raw supply leadership than by where adjusted economic activity settles over time. June's record points to a market in which usage quality, network distribution and reserve credibility are starting to matter more than headline issuance alone. For RWA builders, that is a constructive signal. The more stablecoins behave like reliable settlement cash across multiple chains, the easier it becomes to design tokenized products that feel operationally closer to mainstream capital markets and less dependent on crypto-native workarounds.