Bitcoin xpub privacy risks
Crypto Security

Bitcoin XPUB Privacy: Why a Watch-Only Wallet Can Reveal More Than You Expect

A Bitcoin extended public key, often called an xpub, can allow someone to monitor many wallet addresses without knowing your private keys. That makes it useful for watch-only wallets, accounting software, and payment systems. It also creates a privacy risk: someone who obtains the right xpub may be able to follow a large part of your Bitcoin transaction history. An…

Continue Reading→

Bitcoin transaction fee bumping
Cryptocurrency

Bitcoin Transaction Stuck? How RBF and CPFP Can Help

A Bitcoin transaction can remain unconfirmed for hours or even days when its fee is too low to compete for available block space. If you control the sending wallet, Replace-by-Fee (RBF) may let you replace the payment with a higher-fee transaction. If you control an output from the pending transaction, Child-Pays-for-Parent (CPFP) may offer another solution. The right method depends…

Continue Reading→