@zeltlive

10+ years of experience in design • Gaming • FinTech • Web3 • Startups

 Latvia
clefdev.com
Joined June 2009
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  • Following23
  • Followers32
52Media
We're exhibiting at @SiGMAworld_ in Rome 🇮🇹 📅 02–05 Nov 2026
📍 Stand #H3-3029, Fiera Roma Come talk design, branding & iGaming with the ClefDev team. DM to schedule a meeting 👋 #SiGMAWorld2026 #iGaming #ClefDev
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Why Nobody Opens Your Responsible Gaming Tools ‼️ Six patterns that keep the feature closed: • The limit lives in account settings • The section is named in legal language • The player cannot see their own session Read more at ClefDev.com #igaming #selflimits
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How right UX in betting can boost your sales and attract new users. Kalshi's case: clefdev.com/blog/prediction-… #Kalshi #betting #ux #sportsbook #design

Prediction Markets Beat Sportsbooks. Design Explains Why. | ClefDev

Prediction markets moved over $50 billion during the World Cup while sportsbook apps lost users. The interface explains more of that gap than the odds do.

clefdev.com
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We’ve just launched a brand-new Sweepstakes design style for Aduarius, built specifically for the unique needs of the social casino industry. Check the link in the first comment to try Aduarius for free. zeltyn.com/blog/sweepstakes-… #iGaming #Sweepstakes #SocialCasino #UIDesign

I went looking for how sweepstakes casinos are supposed to look. Nobody had written it down.

We designed a US sweepstakes casino, then found no standard for how the category should look. What I learned building the Sweeps style for Aduarius.

zeltyn.com
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Free trial for new users: aduarius.com/

Aduarius by ClefDev: on-brand ad creative, ready in seconds

On-brand banners, hero shots and promo creatives for high-stakes brands - every format, ready in seconds from one short brief.

aduarius.com
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Crypto invoicing is still more complicated than it should be. One of the biggest challenges is ensuring transparency and confidence before accepting a payment. That’s why we built Constatum. 🔗 Try it here: constatum.com/ #Crypto #CryptoPayments #Blockchain #Web3 #AML

Constatum – Secure Crypto Invoicing

Screened payment links, wallet risk checks, and compliance-grade PDF reports.

constatum.com
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A zero-value token transfer needs no signature from you. That is the whole trick behind address poisoning: an attacker can put a transaction in your history that you never authorised. Read more at constatum.com/blog/address-p… #web3 #crypto #blockchain

Address Poisoning: The $50M Copy-Paste Scam

How address-poisoning scammers slip lookalike wallet addresses into your history — and the 10-second habit that stops you sending crypto to the wrong one.

constatum.com
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Brazil just became the world's 5th-largest betting market. R$37 billion in gross gaming revenue in its first regulated year. So I built a dedicated Brazil style into my AI ad-creative tool. The thinking behind it 🧵
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I've shipped into this market before, leading design as GoBet expanded into Brazil (+110% DAU). Full write-up with the market data: zeltyn.com/blog/designing-a-… — Aduarius is live, Brazil style included → aduarius.com

Brazil became a top-5 betting market. So I built a Brazil style into Aduarius.

Brazil's regulated betting market hit ~US$7B in its first year. Here's why I built a dedicated Brazil visual style into Aduarius – reading a market as…

zeltyn.com
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The AI is the easy part now. The judgment is spotting that a market crossed into the top 5, deciding it deserves a first-class style, and encoding what "Brazilian" actually means into something repeatable. Founder, PM and design lead in one call.
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So the Brazil style isn't a colour filter. It's a system of decisions, drawn deliberately apart from the crypto look (cold neon-green) and an Asian fortune look (red and gold). Brazil had to read as unmistakably itself.
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Brazil has one of the most legible visual identities anywhere. Verde-e-ouro, the green and gold of the flag. Football as the culture, not a vertical. Carnival, gold coins, the lucky-win moment. People read those signals before they read a word.
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The problem: a European banner with the colours swapped doesn't convert in Brazil. A generic AI image carries even less. It looks roughly like a banner and nothing like Brazil.
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Grey market to top-5 in about a year. Regulated launch: 1 Jan 2025. 25M+ Brazilians betting. Deposits are Pix-only, credit cards banned by law. Dozens of operators live at once, all needing creative fast.
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🏷Summer Sale is here!🏷 Get 26% off your next project with ClefDev, valid through August 31st, 2026. From iGaming design and branding to UI/UX, 3D, motion, and full-stack development – now is the perfect time to start what's next. #marketing #sale #igaming #webdesign
🤖 Made with AI
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Check out my latest article: I built an AI ad-creative tool from zero. #design #marketing #startaup #adcreative #mediabuying #igaming linkedin.com/pulse/i-built-a… via @LinkedIn

I built an AI ad-creative tool from zero. Here's the thinking behind Aduarius.

Originally published on my site: https://zeltyn.com/blog/building-aduarius-ai-ad-creative-tool I've briefed thousands of ad banners across iGaming and Web3, so I built Aduarius – an AI tool that...

linkedin.com
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Prediction markets passed gambling. The winners are built like brokerages, not casinos. #polymarket #productdesign #kalshi #onboarding #stakes zeltyn.com/blog/prediction-m…

Prediction markets passed gambling. The winners are built like brokerages, not casinos.

Kalshi is pulling ahead of Polymarket partly because it onboards like a brokerage, not a crypto app. A product breakdown of why the deposit screen, not…

zeltyn.com
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The Marketing Tax: Why Every Campaign You Ship Costs More Than You Think medium.com/p/the-marketing-t… #ai #SaaS #Marketing #Startups #Productivity
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88% of companies use AI design tools. "Make it look nice" is getting cheaper. "Figure out why this doesn't work" is getting more valuable. #ProductDesign #DesignAgency #DesignLeadership #FounderJourney clutch.co/resources/graphic-…

The State of the Graphic Design Industry (What 2026 Data Reveals) | Clutch.co

New 2026 data reveals how the graphic design industry is evolving, from AI adoption and hiring trends to budgets and what businesses want from designers.

clutch.co
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Players scroll past hundreds of casino logos every day. What they remember is a Mascot. We built a full mascot universe for Nolimit Casino – designed as modular, animation-ready assets that scale across product. 👉 clefdev.com #iGaming #CasinoBranding #MascotDesign
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