Katana, Raydium and Uniswap: Judging Debut-Week DEX Claims

The headline says Katana beat Raydium and Uniswap during its debut week on Stellar. That is a claim about trading volume, measured over one short window, and it should be read with that in mind.

The sources gathered for this guide do not contain a report of a Katana launch on Stellar, and they include no volume figures for Katana in that week. What they do contain is different material: Raydium and Uniswap volume comparisons from late 2024 and early 2025, a September 2026 item about Raydium's token and tokenized equities volume, and a June 2026 report of a Raydium exploit involving legacy pools.

So the honest starting point is that the headline cannot be confirmed. Treat it as unverified until you can see the underlying data, the metric used and the time window. The rest of this guide explains what a claim like this would need to show, how to test it yourself, and what the Raydium and Uniswap history teaches about reading DEX rankings.

Our candidate notes describe Katana as a Solana options vault protocol that sold weekly covered calls and puts. The same notes say its app has been offline since about 2023.

A project that has been offline can relaunch under the same name, but a relaunch is not the same as a proven, live product. Before you read any debut-week story, check a few basic points:

• Is this the same team and codebase as the earlier product, or a new deployment under an old name?
• Is the new deployment linked from the project's own official channels?
• Are the smart contracts verified and readable on a block explorer?
• Who controls the funds, and is custody self-custodial or held by a third party?
• Does the product do what the old one did, and are its terms clearly written?

Stellar is a separate blockchain network from Solana. A product on one chain is not automatically the same product on another, and bridged or wrapped assets carry their own risks. If a debut story comes only from social posts or a single anonymous account, it deserves more caution than a story backed by the project's documentation and an independent outlet.

Most debut-week claims rely on one of a few metrics, and each one measures something different.

• Volume is the total value of swaps over a period. It shows activity but not whether that activity was genuine or lasting.
• Total value locked (TVL) is the value of assets deposited in a protocol's contracts at a point in time. It shows how much capital is parked there, not how often it is used.
• Fees show how much traders paid. They can be a better signal of real usage than volume, although fee levels differ between pools and chains.
• Unique users or wallets show how many distinct addresses traded. A few heavy traders can hide a thin user base.
• Market share compares one venue with others, but the denominator matters. Share of all DEX volume on one chain is not the same as share across every chain.

Several technical points also change the numbers. Aggregators that route a trade through several pools can count the same activity more than once. Volume reported in dollars moves with token prices, so a rally can make a quiet week look busy. Some volume is wash trading, where the same party trades with itself to look active. Public dashboards help, but you should always ask which metric, which chain and which price source sit behind a chart.

Launch-week rankings are easy to write and hard to trust, for several reasons.

First, the sample is small. Seven days can be dominated by a handful of wallets, a single token launch or a short burst of attention that fades quickly.

Second, incentives distort activity. Points programmes, liquidity mining and fee rebates can pull volume toward a new venue. That volume may be real, but it may stop once rewards end. A debut that is largely incentive-driven says less about long-term demand than one that holds up after rewards change.

Third, the comparison may be unfair. Uniswap has years of history and deep liquidity across many chains. Raydium has a long record on Solana. A new venue on a new chain starts with far less liquidity, so a percentage jump can look large while the absolute amount stays small.

Fourth, the window matters. A claim about one week can be true while the same venue trails over one month. Ask what time window was chosen, why it was chosen, and what the baseline was.

A fair claim names the metric, the window, the chain, the data source and the comparison set. If any of these are missing, the headline is an opinion about attention rather than a measurement of usage.

The Raydium and Uniswap material gathered here is useful as a case study in how rankings change.

Several reports from late 2024 and early 2025 said Raydium had surpassed Uniswap on trading volume in particular months. One report put Raydium's turnover at a larger share of the segment than Uniswap's for a month, and another said Raydium's volume was far above Uniswap's in November 2024. These reports tied the surge to memecoin activity on Solana, which is a volatile and cyclical source of trading.

A separate report from January 2025 said Jupiter's total value locked had passed Raydium's, making Jupiter the second-largest protocol on Solana by that measure. That shows a second metric can produce a different leader from the first.

A September 2026 item described growth in Raydium's token trading and cumulative tokenized equities volume. The June 2026 exploit report described a hacker draining five legacy liquidity pools by bypassing mint checks and bridging the stolen assets.

The lesson is that a ranking is a snapshot. The leader can change within weeks, and a high-volume period can be followed by a security incident. Check current figures on live dashboards rather than relying on any past headline, including this one.

You can test a DEX claim in a few steps without special tools beyond a browser and a public dashboard.

1. Write down the exact metric in the claim, such as volume, TVL, fees or unique wallets.
2. Note the start and end dates. Check whether the window is a calendar week, a rolling seven days or a launch period.
3. Confirm the chain. Compare the venue only with others on the same chain, or state clearly that the comparison crosses chains.
4. Find the baseline. Ask whether the comparison uses the same metric and period for every venue.
5. Look for incentives. Check whether rewards, points or fee rebates ran during the window.
6. Check concentration. If a few wallets make up most of the volume, the activity may not reflect broad use.
7. Cross-check two sources. Compare a live dashboard with the project's own documentation and a reputable report.
8. Repeat the check later. Look again after two or four weeks to see whether the lead holds.

If the claim fails any of these steps, you can still learn from it. A venue may be interesting even when the headline overstates the case.

Launch hype is a common setting for phishing and fake token schemes, so defensive habits matter more than any ranking.

• Type or bookmark official addresses yourself. Do not rely on links in direct messages, comments or sponsored results.
• Check the token contract address against the project's official documentation before you swap or approve anything.
• Review token approvals in your wallet and revoke any you no longer need. Unlimited approvals to unfamiliar contracts carry risk.
• Never enter a seed phrase or private key on a website, and treat anyone who asks for one as a scammer.
• Start with a small test transaction when you use a new venue, and confirm it behaves as expected.
• Be careful with bridged and wrapped assets. Moving tokens between chains adds bridge risk on top of the protocol's own risks.
• Avoid assets with unclear ownership, no audit history or no public team, and treat promised guaranteed returns as a warning sign.

The June 2026 Raydium report is a reminder that legacy pools can carry risks even on established venues. Older contracts may have weaker checks than newer ones, so check which pool you are using and whether it is still maintained.

Comparing venues by headline numbers hides real differences in design. The table below summarises how several dApps in our candidate list differ, based on their stated focus. Check each project's current documentation for live details.

dApp	Main role	Where it runs	What to watch
Uniswap V3 and V4	Non-custodial AMM for swaps and concentrated liquidity	Many chains	Liquidity depth varies by pool; V4 adds hooks
Raydium	AMM and swap venue	Solana	Activity can follow memecoin cycles; check legacy pool risks
Jupiter	Aggregator that routes swaps across venues	Solana	Routing can count one trade across several pools
PancakeSwap	AMM with farming and staking	BNB Smart Chain	Incentives can drive short-term volume
Curve	Low-slippage swaps, mainly for stablecoins and similar assets	Ethereum	Best suited to pairs that trade near parity
CoW Swap	Batch-auction aggregator that aims to limit MEV	Multiple chains	Settlement timing differs from instant AMM swaps

A venue that wins on volume may not be the best fit for your trade. Pricing, fees, settlement and the assets you need matter as much as the ranking.

If you are reading about Katana or any debut-week claim, a few practical steps will serve you better than the headline.

• Look for the project's own announcement and check whether it names the chain, the contracts and the team.
• Pull up a live dashboard and check the metric, window and chain the claim uses.
• Compare the venue with its own history, not only with one rival.
• Confirm whether the product is currently live, given that our notes say Katana's earlier app has been offline since about 2023.
• Check any token or contract address against official sources before you interact with it.

Decentralised finance carries risks including smart contract bugs, market volatility, illiquidity and loss of funds. This guide is general education, not financial advice. Only use amounts you can afford to lose, and check the rules that apply where you live before trading or using any crypto service.