Zelcore

Zelcore Academy

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

Browse by topic

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.

12 articles

DeFi

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

18 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.

30 articles

Learning paths

View all

Real-World Assets on Chain

6 parts

Ethereum After Pectra

4 parts

Bitcoin L2s and BTCFi

5 parts

Latest articles

Holding RWAs in a Self-Custody Wallet: Approvals, Transferability, and Tax

Holding RWAs in a Self-Custody Wallet: Approvals, Transferability, and Tax

Self-custody is necessary but not sufficient for RWAs. Approvals, KYC bindings, and tax treatment all matter. Capstone of our 6-part RWA series.

10 min read
RWA Risk: Redemption, Custody, and the Counterparty Waterfall

RWA Risk: Redemption, Custody, and the Counterparty Waterfall

Self-custody does not insulate you from issuer, custodian, or transfer-agent failure. A practical map of the five-layer counterparty stack behind every RWA token.

9 min read
Tokenised Equities and Commodities: Backed, XAUT, PAXG, and the Path to On-Chain Stocks

Tokenised Equities and Commodities: Backed, XAUT, PAXG, and the Path to On-Chain Stocks

Tokenised gold passed $6B and xStocks crossed $10B in volume. Here is how Backed, XAUT, PAXG, Dinari and Robinhood actually work in 2026.

7 min read
Private Credit On-Chain: Centrifuge, Maple, Goldfinch, and the $3.2B+ Lending Layer

Private Credit On-Chain: Centrifuge, Maple, Goldfinch, and the $3.2B+ Lending Layer

Tokenised private credit hit $3.2B outstanding by March 2026, up 180% YoY. We unpack Centrifuge, Maple, and Goldfinch — yields, mechanics, and the defaults.

8 min read
Tokenised Treasuries: BUIDL, USDY, OUSG, FOBXX, and the $15B T-Bill Layer

Tokenised Treasuries: BUIDL, USDY, OUSG, FOBXX, and the $15B T-Bill Layer

Tokenised US Treasuries crossed $15B in 2026. A plain-English tour of BUIDL, BENJI, OUSG, USDY, USYC, USTB and how T-Bills became DeFi's reserve.

7 min read
Tokenised RWAs: What Legal Wrapper vs On-Chain Representation Actually Means

Tokenised RWAs: What Legal Wrapper vs On-Chain Representation Actually Means

RWA tokenisation hit $26.4B in Q1 2026. Here's why the legal wrapper, not the token contract, decides whether you actually own anything.

8 min read
The Long Tail: SSF, Verkle Trees, EOF, and Ethereum's Endgame

The Long Tail: SSF, Verkle Trees, EOF, and Ethereum's Endgame

Pectra and Fusaka were the warm-up. Single-slot finality, Verkle trees, and EOF are the long-tail upgrades that define Ethereum in 2030.

8 min read
Glamsterdam: ePBS, Block-Level Access Lists, and the MEV Endgame

Glamsterdam: ePBS, Block-Level Access Lists, and the MEV Endgame

Glamsterdam enshrines proposer-builder separation and adds Block-Level Access Lists in H1 2026. Here is what changes for MEV, validators, and gas.

8 min read
PeerDAS Explained: Data-Availability Sampling and the L2 Fee Story

PeerDAS Explained: Data-Availability Sampling and the L2 Fee Story

How PeerDAS turned Ethereum's data layer into a sampled network and pushed L2 fees below a cent in Q1 2026. Part 2 of Ethereum After Pectra.

8 min read
Ethereum After Pectra and Fusaka: The State of the Network in 2026

Ethereum After Pectra and Fusaka: The State of the Network in 2026

Pectra (May 2025) and Fusaka (Dec 2025) reshaped Ethereum into a DA layer for rollups. Where ETH the asset and ETH the network actually stand in 2026.

7 min read
Choosing and Using a Bitcoin L2 in 2026: A Self-Custody Operational Guide

Choosing and Using a Bitcoin L2 in 2026: A Self-Custody Operational Guide

A practical 2026 decision guide for picking and using a Bitcoin L2 with self-custody discipline, peg-risk checks, and clear exit planning anchored to native BTC.

7 min read
Babylon and Rootstock: BTC Restaking and the Original Sidechain

Babylon and Rootstock: BTC Restaking and the Original Sidechain

Babylon keeps your BTC self-custodial and slashable. Rootstock locks it in a federation and gives you EVM. Two opposite philosophies for putting Bitcoin to work.

7 min read
    Zelcore Academy — Learn Crypto Self-Custody