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 · Jun 16, 2026
Quantum Computing and Bitcoin: What's Actually at Risk
A new report from Coinbase's quantum advisory board urges Bitcoin to start moving to quantum-safe signatures now, while refusing to settle the hardest question of all.
News · Jun 10, 2026
The SEC Wants Tokenized Stocks Inside Regulated Markets
An SEC official outlined a plan to let tokenized securities trade under the same standards as ordinary stocks. What a tokenized security is, and what the token does and does not give you.
News · Jun 10, 2026
Why Hyperliquid's backers want Treasury to narrow DeFi AML rules
Paradigm and a Hyperliquid-funded policy group asked the US Treasury to scale back parts of a proposed stablecoin rule. Here is what they want changed and why it matters for DeFi users.
News · Jun 8, 2026
The Biggest Banks Are Building a Stablecoin Rival
A Wall Street Journal report says JPMorgan, Citi, Bank of America, and Wells Fargo are building a shared tokenized-deposit network through The Clearing House, aimed at a first-half-2027 launch.
News · Jun 8, 2026
HTX delists Trump-linked USD1 after a token-freeze standoff
The exchange dropped the World Liberty Financial stablecoin and force-converted user balances to USDT, after WLFI froze HTX-linked addresses over sanctions checks.
News · Jun 7, 2026
Zcash rebounds a week after the fake-ZEC bug
ZEC climbed while Bitcoin slid, even after a patched counterfeiting flaw and an Arthur Hayes exit. A bounce is not the all-clear.
News · Jun 5, 2026
A critical Zcash bug could have minted fake ZEC
Developers disclosed a flaw in Zcash's Orchard shielded pool that, if exploited, could have created counterfeit ZEC that nobody could detect. A patch shipped, and the price fell sharply.
News · Jun 3, 2026
Mastercard Turns On Stablecoin Card Settlement
Mastercard will let card issuers and acquirers settle in six regulated dollar tokens, including USDC, PYUSD, and RLUSD, beyond bank hours.
Guide · Jun 1, 2026
How to Spot a Crypto Scam: The Red Flags
A clear, step-by-step guide to recognizing the most common crypto scams, the red flags they all share, and what to do if you have already been targeted.
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.

