# GoldApp Web Agency

> GoldApp is a full-cycle IT development agency operating since 2011 and a Binance Hackathon winner. It builds blockchain & smart contracts (NFT, DeFi, marketplaces, crypto banking, FinTech, audits), Telegram bots & web apps, mobile apps, games, AR/VR/MR applications, websites & web services, and AI products — plus full-cycle marketing promotion. The team is composed exclusively of engineers with real IT experience; the founder is a former developer who also serves as CTO/advisor for several blockchain startups.

Key facts:
- In business since 2011; 140+ projects delivered, 184 orders, ~1M in estimates.
- Services: Web 3.0 / NFT, blockchain & smart contracts, Telegram bots/clickers, mobile apps, games (Unity), AR & VR, 3D & 2D design, motion graphics, marketing.
- Marketing: 193k+ subscribers, 1000+ projects, 301 clients; brand digitalization and tap-to-earn Telegram campaigns; TON Foundation lecturer.
- Languages: English (default) and Russian. Russian version is served under the `/ru` prefix (e.g. `https://goldapp.dev/ru`).
- Contact: via the "Order a project" / application form on the homepage.

## Main pages

- [Home](https://goldapp.dev): Agency overview, services, portfolio, clients, testimonials, team, and project request form.
- [Home (Russian)](https://goldapp.dev/ru): Russian-language version of the homepage.
- [Sitemap](https://goldapp.dev/sitemap.xml): XML sitemap of all public URLs.

## Portfolio — AI

- [AI video: house construction](https://goldapp.dev/portfolio/ai-video-house-construction)
- [AI video with characters from Dota 2](https://goldapp.dev/portfolio/ai-video-with-characters-from-dota-2)

## Portfolio — Blockchain / Smart Contracts / DeFi / NFT / Crypto

- [Forked EVM (Binance Smart Chain) blockchain with consensus modification](https://goldapp.dev/portfolio/Forked-EVM-blockchain-with-consensus-modification)
- [Contenter — decentralized marketplace for buying and selling content](https://goldapp.dev/portfolio/contenter-decentralized-content-marketplace)
- [Calvaria staking platform](https://goldapp.dev/portfolio/calvaria-staking)
- [Calvaria — card NFT game](https://goldapp.dev/portfolio/calvaria)
- [Calvaria — game landing page](https://goldapp.dev/portfolio/calvaria-landing-page)
- [Step App DEX](https://goldapp.dev/portfolio/step-app-dex)
- [Step App DEX analytics](https://goldapp.dev/portfolio/step-app-dex-analytics)
- [Step App lockdrop platform](https://goldapp.dev/portfolio/step-app-lockdrop)
- [Step App staking platform](https://goldapp.dev/portfolio/step-app-staking)
- [NFT collection Politic$](https://goldapp.dev/portfolio/nft-collection-politics)
- [Shaolin Soccer — NFT collection of animals](https://goldapp.dev/portfolio/shaolin-soccer-nft-collection-of-animals)
- [NFT collection for access to a private group](https://goldapp.dev/portfolio/nft-for-a-private-group)
- [Yworld — animated NFT collection on the Bitcoin network](https://goldapp.dev/portfolio/Yworld)
- [1x10 — tickets (cases) on ETH smart contract](https://goldapp.dev/portfolio/1x10-gambling-eth-smartcontract)
- [E-jackpot — cases on ETH smart contracts](https://goldapp.dev/portfolio/ejackpot-gambling-eth-smartcontract)
- [Online casino: Baccarat card game on Tron (TRX) smart contract](https://goldapp.dev/portfolio/baccara-gambling-casino-smartcontract)
- [Livedouble — blockchain roulette game on Ethereum smart contract](https://goldapp.dev/portfolio/livedouble-blockchain-gambling-eth-smartcontract)
- [MyMillions — economic strategy on ETH blockchain](https://goldapp.dev/portfolio/mymillions-economic-strategy-eth-smartcontract)
- [Piggy Bank — ETH and EOS smart contract game](https://goldapp.dev/portfolio/piggybank-gambling-eth-eos-smartcontract)
- [Smart Investments — investment ETH smart contract](https://goldapp.dev/portfolio/smartinvestments-eth-smartcontract)

## Portfolio — Telegram bots & web apps

- [Fitness-themed slot for online casino](https://goldapp.dev/portfolio/Fitness-Themed-Slot-for-Online-Casino)
- [Telegram WebApp game with AI (ChatGPT) for CPT Markets crypto exchange](https://goldapp.dev/portfolio/Telegram-WebApp-game-with-AI-ChatGPT-for-the-CPT-Markets-crypto-exchange)
- [LoopBot — Telegram bot for buying cryptocurrency](https://goldapp.dev/portfolio/loopbot-for-buying-cryptocurrency)
- [BON Banking — Telegram banking on the TON network](https://goldapp.dev/portfolio/bon-banking-telegram-banking)
- [Telegram webapp for roulette and auctions](https://goldapp.dev/portfolio/roulette-and-auctions-for-telegram)
- [Bitcoin Lotto — Telegram webapp for betting on Bitcoin hash](https://goldapp.dev/portfolio/bitcoin-lotto)
- [CryptoCopy — Telegram web app with game mechanics](https://goldapp.dev/portfolio/CryptoCopy)

## Portfolio — Games

- [Shooter in Unity](https://goldapp.dev/portfolio/shooter-in-unity)
- [Baboo Violent — NFT game](https://goldapp.dev/portfolio/baboo-violent-nft-game)
- [Shaolin Soccer — NFT game](https://goldapp.dev/portfolio/shaolin-soccer-nft-game)
- [IMPs Kingdom — NFT game](https://goldapp.dev/portfolio/imps-kingdom-nft-game)
- [Mario NFT game](https://goldapp.dev/portfolio/mario-nft-game)
- [Cryptoestate — online monopoly](https://goldapp.dev/portfolio/monopoly-cryptoestate)
- [Battle of Planets — NFT crosschain gaming](https://goldapp.dev/portfolio/battle-of-planets)
- [DesanGame — game for food company promoters](https://goldapp.dev/portfolio/DesanGame-igra-dlya-promoyterov)
- [Quizza Quiz — smart mobile game](https://goldapp.dev/portfolio/mobilnaya-igra-viktorina-online-quiz)
- [Magnetar — gambling quiz for money and cryptocurrency](https://goldapp.dev/portfolio/mobilnaya-igra-quiz-gambling-cryptocurrency)
- [CSGO roulette with cases](https://goldapp.dev/portfolio/csgo-cases)
- [Browser game: online Monopoly](https://goldapp.dev/portfolio/browser-game-monopoly)
- [Interactive game for kids to study the alphabet](https://goldapp.dev/portfolio/interaktivnaya-igra-dlya-detej-s-golosovym-upravleniem-dlya-izucheniya-alfavita)
- [Emoji Factory — VKontakte puzzle game](https://goldapp.dev/portfolio/igra-dlya-vkontakte-fabrika-ehmodzhi-golovolomki-rebusy-i-zagadki)
- [Browser game for WWF — environmental habits](https://goldapp.dev/portfolio/brauzernaya-igra-s-integraciej-vkontakte-dlya-world-wide-fund-ehkologicheskie-privychki)
- [Promo game for TOYO TIRES and FC Zenit](https://goldapp.dev/portfolio/brauzernaya-igra-dlya-toyo-tires-i-zenit-s-integraciej-vkontakte-facebook-odnoklassniki)
- [Promotion game for Libresse](https://goldapp.dev/portfolio/promo-igra-dlya-libresse)
- [Dino game — assemble your hero](https://goldapp.dev/portfolio/igra-dino-soberi-geroya)
- [DotaSup — Dota 2 assistant (VKontakte game)](https://goldapp.dev/portfolio/igra-dlya-vkontakte-i-steam-dotasup-pomoshchnik-dota-2)
- [Road Traffic Rules — Battle (online mobile quiz)](https://goldapp.dev/portfolio/mobilnaya-igra-viktorina-online-pdd-battl)
- [Unified National Exam Battle (online mobile quiz)](https://goldapp.dev/portfolio/mobilnaya-igra-viktorina-online-egeh-battl)
- [Baccarat — mobile card game](https://goldapp.dev/portfolio/mobile-card-game-baccarat)
- [Physical security in the company (SCORM browser game)](https://goldapp.dev/portfolio/scorm-security-browser-game)
- [Information security in social networks (SCORM browser game)](https://goldapp.dev/portfolio/scorm-security-browser-game-in-social-networks)

## Portfolio — AR / VR / MR

- [VR Oculus chemistry lessons](https://goldapp.dev/portfolio/vr-oculus-chemistry-lessons)
- [3D yacht attraction](https://goldapp.dev/portfolio/3D-yacht-attraction)
- [VR Oculus virtual tour of Moscow with interactive elements](https://goldapp.dev/portfolio/vr-oculus-virtual-tour-of-moscow)
- [Augmented reality mobile app for Ford](https://goldapp.dev/portfolio/augmented-reality-mobile-app)
- [Oculus GO — virtual reality attraction](https://goldapp.dev/portfolio/oculus-go-virtual-reality-app)

## Portfolio — Mobile apps

- [Unisat — mobile app & web system for cargo transportation monitoring](https://goldapp.dev/portfolio/mobilnoe-prilozhenie-i-web-sistema-monitoringa-gruzoperevozok-yunisat)
- [Speaker — Twitter-like social network app](https://goldapp.dev/portfolio/mobilnoe-prilozhenie-tvitter-socialnaya-set)
- [Ads app — Avito analog with beacons & geofencing](https://goldapp.dev/portfolio/mobilnoe-prilozhenie-obyavlenij-analog-avito-s-podderzhkoj-bikonov-i-geofencing)
- [ServiceDesk — mobile app for executors (call center, IP telephony, order exchange)](https://goldapp.dev/portfolio/servicedesk-mobilnoe-prilozhenie-dlya-ispolnitelej-koll-centr-ip-telefoniya-birzha-zakazov)
- [MyPix — mobile coloring app for iOS](https://goldapp.dev/portfolio/mypix-mobilnoe-prilozhenie-raskraska-dlya-ios)
- [Auto-posting mobile app for VKontakte](https://goldapp.dev/portfolio/mobilnoe-prilozhenie-avtoposting-dlya-vkontakte)
- [KaTV1 Radio — app for Android and Samsung TV](https://goldapp.dev/portfolio/mobilnoe-prilozhenie-katv1-radio-dlya-android-i-samsung-tv)
- [IMHO — mobile social network for exchanging opinions](https://goldapp.dev/portfolio/imho-mobilnaya-socialnaya-set-obmena-mneniyami)

## Portfolio — Social media apps (VK / Facebook)

- [Classifider — automated bulletin board app in VK](https://goldapp.dev/portfolio/classifider-prilozhenie-doska-obyavleni-vk)
- [Advertiser — VKontakte VK Mini App](https://goldapp.dev/portfolio/prilozhenie-dlya-vkontakte-reklamotizator-vk-mini-apps)
- [Dove — app for Facebook and VKontakte](https://goldapp.dev/portfolio/dove-prilozhenie-dlya-facebook-i-vkontakte)
- [Societe Perrier — Facebook contest app](https://goldapp.dev/portfolio/prilozhenie-dlya-facebook-konkurs-societe-perrier)
- [Test constructor — VKontakte communities VK Mini App](https://goldapp.dev/portfolio/konstruktor-testov-prilozhenie-dlya-soobshchestv-vkontakte-vk-mini-apps)
- [Alfabank & Aeroflot — "100,000 miles for free" Facebook app](https://goldapp.dev/portfolio/alfabank-i-aehroflot-100-000-mil-v-podarok-prilozhenie-dlya-facebook)
- [ESET — Facebook contest app](https://goldapp.dev/portfolio/prilozhenie-dlya-facebook-konkurs-dlya-eset)
- [ESET — "Malware" Facebook app](https://goldapp.dev/portfolio/prilozhenie-konkurs-zlovredy-dlya-eset-na-facebook)
- [Post publishing to VKontakte & Facebook walls](https://goldapp.dev/portfolio/sajt-pod-klyuch-s-integraciej-publikacii-posta-v-vkontakte-i-facebook)
- [VK app to increase community popularity](https://goldapp.dev/portfolio/prilozhenie-vkontakte-dlya-uvelicheniya-populyarnosti-soobshchestva)
- [Become a mermaid — Facebook/VK app with face recognition & computer vision](https://goldapp.dev/portfolio/prilozhenie-dlya-facebook-i-vkontakte-s-raspoznavaniem-lica-i-kompyuternym-zreniem)
- [Promise — Facebook app](https://goldapp.dev/portfolio/prilozhenie-dlya-facebook-obeshchalka)
- [Fitness club schedule widget — VKontakte & Facebook apps](https://goldapp.dev/portfolio/vidzhet-raspisaniya-fitness-klubov-prilozheniya-dlya-vkontakte-i-facebook)
- [Disney & Nissan "Happiness is..." — Facebook/VK app](https://goldapp.dev/portfolio/prilozhenie-dlya-facebook-i-vkontakte-disney-i-nissan-schaste-ehto)
- [Nissan app for Facebook and VK](https://goldapp.dev/portfolio/prilozhenie-nissan-dlya-facebook-i-vkontakte)
- [Cornetto Icebreaking — VKontakte & Facebook app](https://goldapp.dev/portfolio/cornetto-icebreaking-prilozhenie-dlya-vkontakte-i-facebook)
- [HP Lounge — VKontakte & Facebook app](https://goldapp.dev/portfolio/hp-lounge-prilozhenie-dlya-vkontakte-i-facebook)

## Portfolio — Sites & web services

- [Shuttle Bus TV — video advertising on public transport monitors](https://goldapp.dev/portfolio/marshrutnoe-televidenie-videoreklama-na-monitorah-v-gorodskom-transporte)
- [Web app for PJSC Severstal](https://goldapp.dev/portfolio/veb-prilozhenie-igra-dlya-pao-severstal)
- [3D apartment builder with rooms and furniture](https://goldapp.dev/portfolio/3d-konstruktor-pomeshchenij-s-komnatami-i-mebelyu)
- [MIPT Premolab laboratory website](https://goldapp.dev/portfolio/sajt-laboratorii-moskovskogo-fiziko-tekhnicheskogo-instituta-premolab)
- [Avtoexpert — urgent car buyout service in Moscow](https://goldapp.dev/portfolio/avtoehkspert-sajt-pod-klyuch-aukciona-vykupa-avtomobilej-v-moskve)
- [Mountain Beach water park on Rosa Khutor](https://goldapp.dev/portfolio/sajt-pod-klyuch-dlya-akvaparka-mountain-beach-na-roza-hutor)
- [Turnkey website with VKontakte & Facebook integration](https://goldapp.dev/portfolio/sajt-pod-klyuch-s-integraciej-vkontakte-i-facebook)
- [LitBook — literary magazines portal](https://goldapp.dev/portfolio/litbuk-portal-literaturnyh-zhurnalov)
- [Garde — online iPhone & iPad leather case design tool](https://goldapp.dev/portfolio/garde-onlajn-konstruktor-kozhanyh-chekhlov-dlya-iphone-i-ipad)
- [Spbland.ru — St. Petersburg city portal](https://goldapp.dev/portfolio/gorodskoj-portal-dlya-peterburga)
- [Knitting World — social network with online store](https://goldapp.dev/portfolio/socialnaya-set-mir-vyazaniya-s-internet-magazinom)
- [Taramba — portal for online contests among students and teachers](https://goldapp.dev/portfolio/taramba-shkolnyj-portal-dlya-provedeniya-onlajn-konkursov)
- [Tourist portal & social network — guide and audio guide](https://goldapp.dev/portfolio/turisticheskij-portal-i-socialnaya-set-putevoditelya-i-audiogida)
- [Garden with irrigation system layout tool](https://goldapp.dev/portfolio/konstruktor-sada-s-sistemoj-poliva)
- [Internal corporate employee motivation portal](https://goldapp.dev/portfolio/korporativnyj-portal-dlya-sotrudnikov)
- [Online service centers catalog with SEO templates](https://goldapp.dev/portfolio/internet-katalog-servisnyh-centrov-s-seo-shablonami)