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JMRKT's magazine - understanding comes before comparing.

Editorial illustration: Referral code? No bonus. What the partner link changes and what it does not. — illustration, not a product photograph.
Featured guide · Cards & everyday use · 2026-11-01

ether.fi Referral Code: Is There a Bonus?

A normal referral code gives new customers no bonus. Our link is a partner link: JMRKT may receive a commission, you pay nothing extra and get nothing through it.

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T1BasicsKeys, custody, fees — no jargon.T2Self-custodyHardware, backups, inheritance – responsibility in detail.T3Cards & everyday lifePay, limits, taxes when spending.T4DeFi & RiskPerps, liquidations, protocol risks — clearly stated.

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Editorial illustration: OneKey Pro 2. What matters? Understand features, backups and migration. — illustration, not a product photograph.
Self-custody · 2026-10-11

OneKey Pro 2: what is new, and what comes later?

Editorial diagram: the DAC8 timeline connects the 2026 reporting period with submission in 2027.
Fundamentals · 6 October 2026

DAC8 from 2026: what crypto exchanges report to tax authorities

Editorial diagram: an interrupted device path and a separate backup path lead to recovery.
Self-custody · 2026-10-06

Hardware wallet lost or broken: what next?

Editorial diagram: fees are deducted from a cashback reward to show the remaining euro benefit.
Cards & everyday use · 2026-10-06

Is crypto cashback worthwhile? Calculator and examples

Editorial illustration: Who holds the keys? Distinguish custody from payment routes. — illustration, not a product photograph.
Cards & Everyday Life · 2026-08-21

Custodial vs Non-Custodial Crypto Cards Explained

Editorial illustration: Buy crypto. Choose a payment route. Compare SEPA, instant payments and cards. — illustration, not a product photograph.
Market Overview · 2026-08-21

Buy Crypto with SEPA, Instant Transfer or Card

Editorial illustration: Check margin. Understand liquidation. Understand price, collateral and funding. — illustration, not a product photograph.
DeFi & Risk · 2026-08-21

Perpetual Futures Liquidation: How to Read the Numbers

Editorial illustration: From exchange. To your wallet. Check the network, address and fees. — illustration, not a product photograph.
Self-custody · 2026-08-15

Withdraw crypto to your own wallet: network, address and fees

Editorial illustration: Broker or crypto exchange? Compare region, payment routes and features. — illustration, not a product photograph.
Basics · 2026-08-15

Crypto Brokers in Germany, Austria and Switzerland vs International Exchanges

Editorial illustration: Bitcoin-only. Or multi-coin? Understand the scope and its limitations. — illustration, not a product photograph.
Self-custody · 2026-08-15

Bitcoin-only or multi-coin: which hardware wallet fits?

Editorial illustration: CSV. API. Tax reports. Check export formats and documentation. — illustration, not a product photograph.
Basics · 2026-08-15

German Crypto Tax Reports: Native Reports, CSV & API

Editorial illustration: Your wallet. Your questions. Turn your setup into useful filters. — illustration, not a product photograph.
Self-custody · 2026-08-12

How to Choose a Hardware Wallet: An Interactive Guide

Editorial illustration: Protection. With limits. Separate device protection from your decisions. — illustration, not a product photograph.
Self-custody · 2026-08-01

What Does a Hardware Wallet Protect? Risks & Limits

Editorial illustration: See the reward. Read the fees. Understand subscriptions, spreads and FX. — illustration, not a product photograph.
Cards & Everyday Life · 2026-08-01

Crypto Card Fees Explained: Everyday Costs & Limits

Editorial illustration: Perpetuals. Understand the risks. Funding, margin and self-custody. — illustration, not a product photograph.
DeFi & Risk · 2026-07-31

Perpetual DEXs: Margin, Liquidation & Custody Explained

Editorial illustration: Broker. Exchange. Bitcoin app. Understand roles, custody and trading. — illustration, not a product photograph.
Basics · 2026-07-30

Crypto Broker vs Exchange vs Bitcoin App: The Differences

Editorial illustration: Five platforms. One overview. Read the roles, features and sources. — illustration, not a product photograph.
Market Overview · 2026-07-29

5 Crypto Platforms: An Overview for 2026

Editorial illustration: Four brands. One overview. Understand differences. Check the sources. — illustration, not a product photograph.
Self-custody · 2026-07-28

4 Hardware Wallet Brands: An Overview for 2026

Editorial illustration: Backups. Done properly. Understand BIP39, SLIP39 and passphrases. — illustration, not a product photograph.
Self-custody · 2026-07-24

Hardware Wallet Seed Phrase Backup: BIP39 & SLIP39

Editorial illustration: Wallets. Explained. Keys, signatures and cold storage. — illustration, not a product photograph.
Self-custody · 2026-07-24

What Is a Hardware Wallet? Cold Storage Explained

Editorial illustration: The details make a difference. Check displays, connections and backups. — illustration, not a product photograph.
Self-custody · 2026-07-24

How to Choose a Hardware Wallet: Key Buying Criteria

Editorial illustration: Compare. With a method. Read filters, criteria and sources correctly. — illustration, not a product photograph.
Self-custody · 2026-07-24

How to Read Our Hardware Wallet Comparison