The Certified Crypto Market blog

Crypto, explained.
Scams, exposed.

Plain-English guides to protect your money: how to research a project, spot a scam, store coins safely and understand every major cryptocurrency.

29 articles for “crypto wallet” · clear

How to Stake Crypto: Options, Rewards and Risks

Learn how to stake crypto step by step: exchange staking, wallet delegation, liquid staking and running a validator, plus how rewards work and the risks.

Oct 14, 2026 · 4 min read

Crypto Payments for Businesses: How to Accept Crypto

Thinking of accepting crypto payments? Learn how businesses take crypto, the options from processors to wallets, the costs, risks and setup steps.

Oct 14, 2026 · 5 min read

Ledger Investigates Tampering of Devices Sold by CryptoBilis, Reseller Halts Sales

Ledger has reported an investigation into 'spy' chip implants in devices sold by reseller CryptoBilis, which allegedly transmitted wallet keys over mobile networks. The reseller has ceased sales, and other hardware wallet manufacturers have

Oct 13, 2026

Ledger Confirms Hardware Implant in Reseller Units, MediaMarkt Suspends Sales

Ledger has confirmed that certain hardware wallet units sold by the reseller CryptoBilis contained a malicious hardware implant designed to steal recovery phrases. This discovery has led to MediaMarkt suspending sales of Ledger products in

Oct 13, 2026

Discord Scams: Compromised Servers and Fake Mint Links

Discord crypto scams use hacked servers, fake mint links and impostor admins to drain wallets. Learn how they work, the warning signs and how to stay safe.

Oct 13, 2026 · 4 min read

Paper Wallets: Why They're No Longer Recommended

A paper wallet prints a crypto private key on paper. Learn why paper wallets fell out of favor, their risks and how to safely move funds off an old one.

Oct 13, 2026 · 4 min read

Ledger Confirms Unauthorized Hardware Implant in Device Linked to CryptoBilis Reseller

Hardware wallet manufacturer Ledger has confirmed an unauthorized hardware implant in at least one device sold by CryptoBilis, a Southeast Asian reseller. The incident is reportedly isolated to this reseller, with Ledger's internal systems

Oct 12, 2026

How Wallet Recovery Works

Wallet recovery restores access to your crypto with a seed phrase, social recovery or backups. Learn how each method works, common pitfalls and recovery scams.

Oct 11, 2026 · 4 min read

Bitcoin Stabilizes Near $82,500 Amid Geopolitical News and Security Concerns

Bitcoin has stabilized around $82,500 following reports of a potential hardware wallet exploit and geopolitical developments. The cryptocurrency remains down approximately 4% for the week, while Ether has seen a larger decline.

Oct 10, 2026

How to Build and Track a Crypto Portfolio

Use a crypto portfolio tracker the right way: set goals, size positions, record trades and track performance across wallets and exchanges without exposing keys.

Oct 10, 2026 · 4 min read

Ledger Investigates Wallet Drains Affecting CryptoBilis Customers in Southeast Asia

Hardware wallet firm Ledger is investigating reports of fund losses, potentially exceeding $86 million, from users who purchased devices from reseller CryptoBilis. The incidents primarily affect customers in Southeast Asia, with assets repo

Oct 9, 2026

Sanctions and Crypto: How Blacklisted Addresses Work

Crypto sanctions can put wallet addresses on government blacklists. Learn how sanctioned addresses work, how stablecoins freeze funds and how to stay compliant.

Oct 8, 2026 · 4 min read

What Is a Seed Phrase?

A seed phrase is the master key to your crypto wallet. Learn how 12- and 24-word recovery phrases work, how to store one safely and the scams that target it.

Oct 8, 2026 · 4 min read

Europol Highlights Quantum Threat to Crypto Wallets, Urges Immediate Mitigation

Europol has issued a warning regarding the vulnerability of exposed private keys to quantum attacks, urging crypto developers, exchanges, and users to begin post-quantum migrations. Separately, a financial expert noted that banks require sp

Oct 7, 2026

Public Key vs Private Key Explained

A private key proves you own your crypto; a public key lets others verify it. Learn how the key pair works, how addresses are made and how to keep keys safe.

Oct 7, 2026 · 5 min read

FinCEN Withdraws Crypto Wallet and Mixer Surveillance Proposals

The Financial Crimes Enforcement Network (FinCEN) has reportedly withdrawn two proposals concerning surveillance of unhosted crypto wallets and crypto mixing services. This decision follows significant industry feedback regarding the propos

Oct 7, 2026

What Is a Crypto Wallet?

What a crypto wallet is, how keys and addresses work, the main wallet types (hot, cold, custodial) and the security steps every beginner should follow.

Oct 6, 2026 · 4 min read

Crypto Phishing Sites: How to Recognize a Fake Exchange or Wallet Page

Crypto phishing sites copy real exchanges and wallets to steal logins and seed phrases. Learn the warning signs, how they reach you and how to stay safe.

Oct 5, 2026 · 4 min read