Mara Ellison teaches people who arrive worried. Before crypto she ran financial-literacy workshops for a credit union and later wrote consumer-protection guides for a nonprofit that fielded fraud reports from people who had already lost money. That work shaped how she writes: start from what the reader does not yet know, define the term before she uses it, and never make anyone feel stupid for asking. She moved to covering digital assets in 2021, after watching the same romance-and-investment scams she had tracked for years migrate onto crypto rails. She is plain about risk without fear-mongering, and plain about how things work without dumbing them down. For whale.day she writes the explainers and the safety guides, the pieces a reader forwards to a parent. Her test for any explainer is simple. Could someone quote the first paragraph back, correctly, after reading it once.
Author
Mara Ellison
Covers explainers, stablecoins, safety
Recent work
Explainer · May 31, 2026
What Is Staking? A Plain-English Guide to Crypto Rewards
Staking means locking up crypto to help run a blockchain, and getting paid for it. Here is what that means, where the rewards come from, and what can go wrong.
Explainer · May 30, 2026
What Is a Crypto Wallet? A Plain-English Guide
A crypto wallet doesn't hold your coins. It holds the keys that prove the coins are yours, and that difference decides almost everything about keeping them safe.