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Zelcore Academy

Guides, tutorials, and deep dives to help you master crypto self-custody.

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Crypto Basics

Foundational concepts every crypto user should know — wallets, keys, transactions, and blockchains explained.

16 articles

Security

Protect your crypto: seed phrases, phishing, scam patterns, and hardware wallet best practices.

17 articles

DeFi

Decentralized finance explained — staking, lending, swaps, yield, and how to use DeFi safely.

33 articles

NFTs

NFTs, digital collectibles, and on-chain ownership: how they work and how to manage them.

13 articles

How-To Guides

Step-by-step walkthroughs for common crypto tasks — sending, receiving, swapping, and recovering.

22 articles

Coin Guides

Deep dives into individual coins and chains — what they do, how they work, and how to hold them.

51 articles

Learning paths

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Cosmos 2026: The Internet of Appchains

5 parts

Cardano in 2026

4 parts

Crypto Payment Rails 2026: Stablecoins, Cards, and Lightning

5 parts

Latest articles

Celestia and the Modular Thesis: Where Cosmos Actually Won

Celestia and the Modular Thesis: Where Cosmos Actually Won

Celestia is Cosmos tech's biggest win and ATOM's sharpest indictment at once — and now Ethereum's own blobs are squeezing the business it built.

13 min read
The Cosmos Chains That Matter: Osmosis, Neutron, and Stride

The Cosmos Chains That Matter: Osmosis, Neutron, and Stride

Osmosis, Neutron, and Stride made three different bets on chain sovereignty vs. borrowed security — including one pair that started identically and ended in opposite places.

13 min read
ATOM, Interchain Security, and the Value-Accrual Problem

ATOM, Interchain Security, and the Value-Accrual Problem

Cosmos built IBC, the SDK, and Interchain Security to route ecosystem value back to ATOM. The numbers show none of it worked — and 2026's tokenomics rewrite proves it.

11 min read
IBC and Eureka: How Cosmos Talks to Everyone Else

IBC and Eureka: How Cosmos Talks to Everyone Else

IBC replaced trusted bridge signers with light clients and cryptographic proofs, and Eureka just extended that model to Ethereum. How it actually works, and where its trust assumptions still lie.

11 min read
Why Appchains? The Cosmos Mental Model

Why Appchains? The Cosmos Mental Model

Cosmos bet that the fix for shared blockchain congestion isn't a bigger chain — it's no shared chain at all. What appchains buy you, what sovereignty costs, and why two big projects left in 2026.

11 min read
Hydra and Mithril: What Cardano's Scaling Actually Delivers

Hydra and Mithril: What Cardano's Scaling Actually Delivers

Cardano's 2026 scaling story in two parts: Hydra and Mithril actually work, but the "1 million TPS" number was disowned by Cardano's own technical lead years ago.

10 min read
Midnight and NIGHT: Cardano's Bet on Confidential dApps

Midnight and NIGHT: Cardano's Bet on Confidential dApps

Cardano's Midnight chain is live and federated. Its NIGHT/DUST split makes privacy programmable, not anonymous — a serious bet, but early and regulatorily risky.

10 min read
Chang, Plomin, and Protocol 11: How Cardano Governs Itself

Chang, Plomin, and Protocol 11: How Cardano Governs Itself

The real Cardano governance handover happened with Chang and Plomin in 2024-25, not Protocol 11. Here's the actual timeline, the three-body system, and the honest turnout numbers.

12 min read
ADA and Ouroboros: A 2026 Refresher

ADA and Ouroboros: A 2026 Refresher

The mechanics behind Cardano in 2026: Ouroboros consensus, non-custodial staking, the eUTXO ledger, and ADA's tokenomics — plus an honest look at the 'ghost chain' critique.

10 min read
MiCA vs the GENIUS Act: What You Can Actually Hold Where

MiCA vs the GENIUS Act: What You Can Actually Hold Where

A region-by-region guide to which dollar stablecoins EU and US users can actually hold, trade, and earn yield on under MiCA's EMT rules and the GENIUS Act's payment stablecoin framework.

10 min read
Lightning for Bitcoin Merchants: Invoices, Channels, and LSPs

Lightning for Bitcoin Merchants: Invoices, Channels, and LSPs

Accept Lightning payments as a merchant in 2026: BOLT12 invoices, JIT channels, LSPs, BTCPay vs Phoenix, and stablecoins on Lightning.

9 min read
Visa and Mastercard Stablecoin Settlement: What It Means When You Pay

Visa and Mastercard Stablecoin Settlement: What It Means When You Pay

How Visa and Mastercard integrate stablecoins at two separate layers — invisible USDC interbank settlement and consumer-facing stablecoin-linked cards that convert at point of sale.

9 min read
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