Ex Editor-in-Chief at ChangeNOW
Tel Aviv, Israel
Yennie Geller — ex Editor-in-Chief at ChangeNOW, crypto writer and analyst. Specializes in blockchain technology, DeFi, consensus mechanisms, and crypto adoption, making complex topics accessible to a wide audience.
How a Crypto Exchange Lost Money on Dogecoin in 2021
Even in challenging times, ChangeNOW strives to do the best for our clients. Here's a story of us losing money... intentionally.
What Is Horizen (ZEN)? Horizen Coin Review
Learn how Horizen and ZEN work after the move to Base, what ZEN is used for and how to buy, swap, stake and store it.
Crypto Confirmations in 2026: How Fees, Mempool & Block Time Affect Transaction Speed
Explore how crypto confirmations work in 2026 | Learn about Bitcoin delays, mempool, fees, and how to speed up transactions by setting the right network fee
How to mine Litecoin
Cryptocurrency in the UK: Legal Status, Adoption & Top British Crypto Projects
Is crypto legal in the UK? Discover the current status of Bitcoin and Ethereum, top UK-based blockchain projects, and how the FCA regulates the crypto industry in 2025
3 Ways to Get Your NOW Tokens — A Quick Guide
The Infamy of a Crypto Rockstar: The Story of John McAfee
In the late 2010s, John McAfee was one of the most famous crypto influencers, which ultimately brought him to jail where he was found dead.
How ChangeNOW and NOWNodes Achieved High-Speed Crypto Exchange Transactions in the USA
There's a moment every crypto user knows. You've initiated a swap, the spinner is turning, and you're just waiting. Sometimes it's a few seconds. Sometimes it's longer. And in that gap – that small, frustrating gap – doubt creeps in. Did it go through? Is the price still good? What's happening? ChangeNOW and NOWNodes decided that the gap was a problem worth solving seriously.
Going Beyond Crypto Exchange: ChangeNOW Ecosystem
In the era of growing crypto use, ChangeNOW Crypto Exchange offers the most comprehensive selection of crypto products and services in one ecosystem.
Automatic Market Makers Explained
Most decentralized exchanges that you know of run using Automatic Market Maker – a mechanism that holds liquidity and calculates exchange rates. Since the first AMM was implemented in Uniswap in 2018, hundreds of DEXes using this model have popped up.
Best Bitcoin Wallet for iPhone
ChangeNOW and Ledger Wallet Collaboration!
ChangeNOW cryptocurrency exchange is proud to present a wallet collaboration with Ledger Wallet, providing swift and easy crypto exchanges to Ledger's users.
How Bitcoin Transactions Work. Speed, Fees & Confirmations Explained (2026 Guide)
Bitcoin transaction speed, block time, and mining fees in 2026 — explained in simple terms. Learn how to set optimal fees, avoid delays, and track confirmations using mempool tools
Best Bitcoin Wallets | Compare Hardware, Mobile & Desktop Options
Compare the best Bitcoin wallets in 2026: Ledger, Trezor, Electrum, Jaxx | Find secure hardware, mobile, and desktop options to store and manage your BTC safely
How To Sell Crypto: Definitive Guide
What Is a Crypto Memo? Destination Tags, Payment IDs, and Common Mistakes
A complete guide to crypto memos, destination tags, and payment IDs. Learn why memos are required, which coins use them, and how to avoid losing funds.
Configuring Mining Software: Updating BIOS, Automatic Rig Activation, Video Card BIOS Firmware, Remote Monitoring, and Control
5 Best Bitcoin Exchanges of 2020
What is the best Bitcoin exchange out there? The answer to this question varies for different traders depending on their needs.
ChangeNOW Recovers 60 ETH from Phishing Scam | Crypto AML in Action
Learn how ChangeNOW stopped $210K in stolen ETH from a fake Uniswap app | Discover how crypto AML tools help fight phishing scams and protect user funds
Best Ripple Coin Wallets
Earn Money with ChangeNOW Affiliate Program!
Our Affiliate Program is here to provide you with an effortless way to convert your traffic into extra profit, cashback options, a set of highest-standard tools to boost your crypto project, and more.
Crypto Taxes: Global Guide to Tax Rules, Gains, Mining & Airdrops
Learn how Bitcoin, Ethereum & other cryptocurrencies are taxed in 2025 — from capital gains to mining, trading & airdrops
Best Bitcoin Gold Wallets 2019
ChangeNOW and Cake Wallet are now fully integrated!
Fuse Network: Mobile Payments for Crypto Adoption
Fuse allows businesses and communities all over the globe to unleash the potential of simple and cheap mobile payments.
Why Should I Join Crypto Discord? 4 Reasons
Crypto enthusiasts chat in Telegram, follow thematic Twitter channels, and some of them stay in touch with their team members in Slack and Zoom.
Know The Wallet: Cake Wallet Founder Vikrant Sharma
Top 5 Biggest 2017 ICO And Where Are They Now?
Countries Where Bitcoin Is Legal
VeChain Coin Price Prediction 2025
Pundi X (NPXS) Review 2020
Bitcoin SV (BSV) Review 2020
Nanopool Review
ICON (ICX) Coin Review
What Is Yield Farming in DeFi?
Yield farming is the latest craze in crypto and is the key reason behind the DeFi explosion going on right now, So what exactly is it? Well, yield farming entails lending crypto to earn more crypto. It is a break from the past where to make money in crypto, you either had to HODL or trade on price movements speculation. Essentially, a yield farmer will look for DeFi pools that offer the highest lending rates and lend with the aim of maximizing their crypto holding as much as possible.
What is Blockchain Technology and How Does it Work?
Essentially, a blockchain is a database or a ledger. However, unlike traditional databases, blockchains are distributed. Learn about how it works and what it's used for in this article
