Ethereum’s grip on decentralized exchange trading has collapsed over four years, according to DeFiLlama data published in SwapSpace’s State of Crypto Swaps 2026 report: the network handled 46.2 percent of global DEX volume in 2021 and just 19.3 percent in 2025.
BNB Chain fell too, from 39.6 percent to 15.3 percent over the same period. Solana, which barely registered in 2021, took 33.3 percent in 2025 and became the largest single chain by swap volume. Every other network combined grew from 14.2 percent to 32.1 percent, a sign that the long tail of chains, from Base to Hyperliquid, is where the marginal trading activity has landed.
| Chain | 2021 share | 2025 share |
|---|---|---|
| Ethereum | 46.2% | 19.3% |
| BNB Chain | 39.6% | 15.3% |
| Solana | – | 33.3% |
| All others | 14.2% | 32.1% |
The report’s own platform data tells the same story from a different angle. SwapSpace, an exchange aggregator, watched Ethereum lead its users’ activity from 2020 through 2024, Solana take first place in 2025, and BNB Chain move ahead in 2026. No chain has held the top spot for more than a year at a time since 2024, which the report treats as evidence that trading leadership in DeFi is now rented rather than owned.
Multichain behavior is now the norm rather than the exception. 90.12 percent of SwapSpace users interacted with more than one blockchain network in 2026, up from a low of 72.5 percent in 2024. The share never dropped below roughly seven in ten users across the whole 2022-2026 window, and the trend has been upward in every year since the 2024 bottom.
Quarterly data from Artemis shows how tight the race has become in 2026 itself. Solana led the first quarter with 30.6 percent of spot DEX volume, BNB Chain followed at 24.5 percent, and Ethereum recorded 23.7 percent. Ethereum briefly moved ahead in March with 27 percent against Solana’s 26 percent before the rankings flipped again. No monthly bar in the first half of 2026 gave any single chain a majority, and each leader depended on a broad share of cross-chain trading rather than captive volume.
The pie itself is growing even as slices shrink. CoinGecko data shows DEX spot volume rising from 6.9 percent of all crypto spot trading in January 2024 to 13.6 percent in January 2026. A falling share of a growing market can still mean rising absolute volume for Ethereum, and Ethereum’s monthly DEX volume ran near $45 billion by May 2026, roughly level with Solana’s, according to The Block data. Combined volume across the three largest chains did fall from $247 billion in January to $155 billion in June, with May the weakest month at $146 billion, so the growth story is not uniform either.
Borrowing activity is moving in the opposite direction from swap share. Crypto-backed borrowing rose 74 percent over the period covered by the report, a sign that users are increasingly using on-chain credit rather than selling holdings when they need liquidity. That shift favors chains with deep lending markets, which is still mostly Ethereum and its layer 2s, and it changes the economics of volatility: holders who can borrow against positions are less forced sellers in drawdowns.
The concentration picture is mixed. CoinGecko put Ethereum at 26 percent, BNB Chain at 25 percent, and Solana at 25 percent of DEX volume in a recent snapshot, with Base adding 14 percent, meaning four networks capture about 90 percent of activity. Arbitrum holds 5 percent, Hyperliquid 3 percent, and Tron and Avalanche about 1 percent each, with Monad and Unichain below 1 percent. Fragmentation has limits; the top of the market stays top-heavy, and routing risk concentrates accordingly.
For Ethereum, the strategic question is whether the loss of share matters if absolute volumes hold. The network still leads tokenized real-world assets, controlling around 61 percent of that market and settling roughly $206 billion annually, according to Token Terminal data cited in earlier coverage. Institutional settlement flows still route through Ethereum infrastructure, and its layer 2 networks absorb trading activity that technically leaves the mainnet but stays inside the ecosystem economically. Critics counter that this is cold comfort for mainnet fee revenue, which depends on execution happening on the base chain itself.
For Solana and BNB Chain, the risk is the reverse: leadership that flips every quarter is hard to monetize. Solana’s daily DEX volume swung from $4.15 billion in mid-July to about $1.3 billion within three weeks in one widely cited stretch this summer, a 69 percent drawdown that no liquidity program has smoothed out. BNB Chain’s comeback runs through PancakeSwap, whose volume is heavily weighted toward retail memecoin trading, the most flight-prone category in the market. Solana’s own token price tells a similar story, still 57 percent below its Q4 2025 high even while it led all chains in swap volume.
Survey data in the report adds a nuance most coverage skips: respondents did not identify DEXs, centralized exchanges, or aggregators as universally offering the best rates. Rate discovery itself has fragmented along with liquidity, which favors routing intermediaries and hurts any single venue that assumes users will come to it directly.
The report’s broader conclusion is that no single venue, network, or liquidity source dominates every transaction anymore. Aggregators sit in the middle of that fragmentation, routing swaps across chains, which is partly why their own user base has gone almost entirely multichain. For traders the practical effect is that execution quality now depends more on routing than on chain choice, a reversal from the era when picking Ethereum meant accepting its fees and its liquidity as a package.
Method caveats apply to every number in the comparison. Order-book systems and automated market makers use capital differently, dashboards count volume through different filters, and cross-chain routing means a single trade can appear on several networks’ ledgers. The direction of travel is consistent across sources even where the exact percentages differ.