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Oleg Vadimovich Grabchak
Expert description: SEO specialist, editor and head of digital direction with 18 years of experience
Skills: SEO, marketing, editorial, management
Education: State University of Management (SUU) / Specialization: Marketing
Competencies: SEO, promotion, marketing, digital agency management
Telegram: @seogov1
Address: Russia Moscow
Profession: Marketer
Experience: 18 years old
Company: SEO-Gravity
Position: Studio manager
About: My name is Oleg Grabchak, I am an SEO specialist and editor. I have been promoting websites and working with content for many years. I just like MCG portal as a strong and useful platform about Moscow City and business life of the city. There is a lot of up-to-date information, analytics and interesting projects here.

Verified or written articles by the author:

What are stablecoins? 5 Nov 2026

A practical guide to stablecoin pegs, reserves, USDT and USDC, network risks, and the checks to make before buying or transferring a token.

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What is USDC? 5 Nov 2026

A guide to the USDC dollar peg, reserves, Ethereum, Polygon and Solana versions, wallet selection, and safe transfers.

86
What Is an NFT? 5 Nov 2026

Learn what an NFT records, how it differs from a fungible token, which rights an owner receives, and how to check a collection.

78
Bybit card for Russians in 2026 2 May 2026

Bybit Card for Russians in 2026: how to issue a virtual Bybit Card through Georgia or Kazakhstan, step-by-step instructions, Google Pay and Apple Pay. Works without traveling abroad.

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