BitBlock
System Design RoadmapCryptocurrency for Beginners: Complete 2025 Guide to Digital Assets
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 18 | Founded | a year ago | Last Issue | a year ago |
| Active | |||||
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bitblock.substack.comLatest Issues
Hardware vs Software Wallets: Security Trade-offs Analysis
Last week, I watched a DeFi protocol architect lose $2.3 million in a single transaction. Not to a smart contract exploit or oracle manipulation, but because his hot wallet's private key was extracted by malware while he was approving a rou...
Cryptocurrency Wallets Architecture: How Digital Asset Storage Works
Last month, I watched a seasoned DeFi developer lose $200,000 in a single transaction. Not from a smart contract exploit or oracle manipulation, but from a fundamental misunderstanding of how wallet architecture actually works. He assumed h...
Crypto Keys Guide: Mastering Public and Private Key Security
Issue #11 of "Cryptocurrency and Bitcoin Mastery" - Part II: Security & Access
The Silent Catastrophe You Don't See Coming
Digital Signatures & Public Key Infrastructure in Cryptocurrency
Part I - Foundations
Part I - Foundations
Bitcoin's 21 Million Coin Limit: Scarcity Economics Explained
The Overlooked Foundation of Bitcoin's Value Proposition
Last week, a senior DeFi architect I mentor called me in a panic. His team had just discovered a critical flaw in their protocol's token issuance mechanism—one that could have cre...
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