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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.

17 articles

Coin Guides

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

38 articles

Learning paths

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Tron: The Stablecoin Settlement Rail

4 parts

TON and the Telegram Wallet Economy

4 parts

Beyond the Seed Phrase: MPC, Passkeys, and Social Recovery

5 parts

Latest articles

Tron's Settlement Role and the Regulatory Overhang

Tron's Settlement Role and the Regulatory Overhang

Tron moved $7.9T in USDT in 2025, rivaling Visa—but its scale rests on two control points: Tether's freeze switch and a founder whose SEC case just closed.

11 min read
Using Tron Safely: Approvals, Fake USDT, and Permission Hijacks

Using Tron Safely: Approvals, Fake USDT, and Permission Hijacks

A practical self-custody guide to TRC-20 approvals, fake-USDT airdrops, address poisoning, the Energy trap, and Tron's account-permission takeover vector.

10 min read
Why USDT Lives on Tron: The Emerging-Market Dollar Rail

Why USDT Lives on Tron: The Emerging-Market Dollar Rail

How TRC-20 USDT became the default dollar for remittances and inflation hedging—and why fee economics and network effects keep it dominant.

9 min read
What Tron Actually Is: TRX, DPoS, and the Energy Model

What Tron Actually Is: TRX, DPoS, and the Energy Model

Understand Tron's DPoS consensus, TRX burn mechanics, and the Energy/Bandwidth resource model that makes USDT transfers near-free at scale.

8 min read
TON's Risks: Platform Dependency and Validator Centralisation

TON's Risks: Platform Dependency and Validator Centralisation

TON's code is open-source and its validator set is growing — but its economy orbits one private company. How to price that risk before you self-custody.

10 min read
Mini-Apps, Notcoin, and Telegram as a Distribution Channel

Mini-Apps, Notcoin, and Telegram as a Distribution Channel

How Telegram mini apps work on TON, why tap-to-earn tokens collapsed 98%+ after airdrop, and how to stay safe connecting wallets inside your chat app.

8 min read
The Telegram Wallet and USDT-on-TON: Self-Custody Inside a Chat App

The Telegram Wallet and USDT-on-TON: Self-Custody Inside a Chat App

Telegram's Wallet hides two services with opposite trust models. Learn which one you're really in, how native USDT on TON works, and how to self-custody it.

9 min read
What TON Is: Toncoin, Jettons, and Workchains

What TON Is: Toncoin, Jettons, and Workchains

TON started as Telegram's Gram project, survived SEC shutdown, and revived as The Open Network. Understand Toncoin, workchains, infinite sharding, and Jettons.

9 min read
Building Your 2026 Wallet Threat Model

Building Your 2026 Wallet Threat Model

Build a personal crypto wallet threat model for 2026: a profile-based stack picker and an 8-point checklist that engineers redundancy over memorisation.

7 min read
Social Recovery Wallets: Safe, Argent, and Coinbase Compared

Social Recovery Wallets: Safe, Argent, and Coinbase Compared

Safe, Argent, and Coinbase Smart Wallet each offer seedless recovery — but their guardian models, time-locks, and trust assumptions differ sharply.

8 min read
Passkeys for Crypto: Great as a Factor, Dangerous as the Only Key

Passkeys for Crypto: Great as a Factor, Dangerous as the Only Key

Passkeys crush phishing and passwords, but a single passkey as your only crypto key inherits cloud-sync recovery risk. Treat it as a factor, not the key.

8 min read
MPC Wallets Explained: TSS, Shamir, and 2-of-3

MPC Wallets Explained: TSS, Shamir, and 2-of-3

MPC wallets split signing so the private key never exists whole. TSS vs Shamir, 2-of-3 share layouts, and who holds what — real security or relocated trust?

10 min read
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