How to Fix Stuck, Pending, or Dropped Crypto Transactions (RBF and Nonce Replacement)
Step-by-step troubleshooting guide for unconfirmed Bitcoin and Ethereum transactions using Replace-By-Fee (RBF) and nonce speeding.
Step-by-step instructions for unsticking pending transactions when network gas or mempool fees spike unexpectedly.
1. Bitcoin Replace-By-Fee (BIP-125)
If your Bitcoin transaction is stuck in the mempool due to a low sat/vB fee rate, BIP-125 Replace-By-Fee allows you to broadcast a replacement transaction spending the same UTXOs with a higher fee.
Ethereum uses Account Nonces: if transaction Nonce 42 is pending at 10 Gwei, you can submit a replacement transaction with Nonce 42 at 30 Gwei.
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