Security
How Bitcoin Wallets Use Compact Block Filters
A light wallet can check which blocks matter without sending a server its address list. The remaining privacy and verification limits still deserve attention.
BTC SLOPES / COVERAGE
The latest
Bitcoin reporting, analysis and ideas. In chronological order.
Security
What a Bitcoin Message Signature Actually Proves
A valid signature can connect a message to an address. Here is how to check the format, bind the right address and avoid turning a narrow proof into a claim about identity or ownership.
Institutions
Meanwhile Funding Highlights the Contract Behind Bitcoin Life Insurance
The insurer’s October funding round draws attention to BTC-denominated benefits, lending exposure and what its statutory audit actually establishes.
Security
Core Lightning Expands Reproducible ARM Builds
New ARM packages highlight a practical question for node operators: how do you verify what you’re actually running?
Mining & Network
How Bitcoin Timelocks Set Conditions for Spending
Absolute thresholds and relative delays use different starting points. Understanding their spending paths and Bitcoin’s time measure makes wallet countdowns easier to interpret.
Security
Bitcoin Wallet Descriptors and Multisig Recovery
Seed backups preserve signing keys. Wallet descriptors preserve how those keys form a wallet, while revealing information that deserves careful protection.
Payments
Payjoin October Releases Improve Asynchronous Bitcoin Payments
A new developer interface and a stable command-line client address practical wallet hurdles. Privacy still depends on the transaction, the communication path and the software people actually use.
Security
Reading Eclair Security Advisories Without Mixing Up the Fixes
Recent disclosures describe different failure modes and different minimum fixes. Node operators need to connect each advisory to the software they actually run.
Security
What BIP324 Encryption Protects on a Bitcoin Node
Encrypted peer connections reduce passive surveillance, while peer identity, wallet-server exposure and the public ledger require separate attention.
Payments
Bitcoin Address Types and Payment Compatibility
What 1, 3, bc1q and bc1p reveal about a Bitcoin destination, and how to handle a sender that rejects a valid address.
Security
Planning a BTCPay Server Security Update Without Breaking Checkout
Version 2.4.5 tightens network access and permissions. Merchants should also check Tor, private integrations and the deployment they actually run.
Markets
Coincheck ECX Notice Clarifies Bitcoin Service and Fork Support
The October 9 notice keeps ordinary BTC service separate from ECX distribution, with the proposed new chain still awaiting its permanent launch.