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What Is a Crypto Oracle? Price Feeds, Failures, and Safety
Crypto oracles supply external data to smart contracts. Compare Chainlink and Pyth price feeds, explore manipulation and staleness risks, and use a…
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Learn coverage provides evergreen crypto explainers for readers who want durable context before reacting to news. BTC-Pulse breaks down Bitcoin, Ethereum, DeFi, stablecoins, exchanges, security, tokenization and regulation in practical language built for reference, not hype.
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Watch-Only Wallet Explained: Track Bitcoin Without Private Keys
A practical watch-only wallet guide covering Bitcoin xpubs, public addresses, descriptors, offline signing, privacy risks, fake balances and safe setup steps.
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Is Now a Good Time to Buy Bitcoin? 5 Indicators to Check
Five data points that show where bitcoin stands: drop from the high, MVRV, short-term holder cost, Fear & Greed and ETF flows.…
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What Is Liquidation in Crypto? Margin, Price Math, and Risk
Crypto liquidation explained with a worked 5x futures example, margin comparison table, Aave health-factor calculation, market cascades and risk checks.
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Seed Phrase vs Private Key: What Each Controls and How Recovery Works
Learn how seed phrases create wallet keys, why one private-key import may miss accounts, and how to protect backups, passphrases, and recovery…
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Crypto Funding Rates Explained: How Perpetual Futures Cost Money
Learn why funding rates turn positive or negative, who pays whom, how exchange settlement times work and how leverage changes the real…
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Token Approvals in Crypto: Allowances, Unlimited Spending, Permit2, and How to Revoke Safely
A practical token-approval guide covering ERC-20 allowances, unlimited spending, Permit2, disconnect-vs-revoke mistakes and a permission-audit workflow.
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Smart Contract Wallets Explained: EOAs, ERC-4337, EIP-7702, and Real Risks
A practical guide to smart contract wallets, ERC-4337, EIP-7702, recovery, batching, permissions, gas sponsorship and the security trade-offs.
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UTXO vs Account Model: How Bitcoin and Ethereum Track Value
A practical UTXO vs account-model guide showing how Bitcoin and Ethereum track value, prevent double spending, calculate fees and shape wallet behavior.
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What Is Slashing in Crypto? Validator Penalties Explained
A practical guide to crypto slashing, covering Ethereum, Cosmos and Polkadot, delegator exposure, correlated failures and a staking-risk checklist.