Bitcoin: Mempool not accepting transactions: ‘reject-reason’: ‘insufficient fee’

Bitcoin wallet not accepting transactions: insufficient fee or other issues?

As a Bitcoin user, you are probably familiar with the volatility of the cryptocurrency market. However, there is one issue when it comes to processing transactions on the blockchain that can be particularly frustrating. Recently, users have reported that their Bitcoin Core wallet is not accepting new transactions even though they already have pending transactions in the mempool.

The problem lies with the mempool, a decentralized storage system used by Bitcoin Core wallets to manage incoming transactions. The mempool allows users to prioritize and queue transactions for later execution. However, if there are multiple transactions with different unique transaction IDs (UTxOs) or fees pending in the mempool, the wallet may reject new transactions.

The problem: insufficient rate

According to reports from Bitcoin enthusiasts on Reddit and other online forums, the problem is due to transaction fees that are too low. If a user has multiple pending transactions with different UTxOs, they can only spend one unit of Bitcoin (BTC) per transaction. In this case, the wallet may reject new transactions because it does not have enough BTC to cover the fee for each incoming transaction.

Other possible causes

Although under-fees are a common problem, other factors may also contribute to this problem:

• Wallet settings: Make sure your wallet is configured properly and you are using the correct blockchain version.

• Transaction priority: If multiple transactions have different UTxOs or fees, they may not be prioritized in the mempool, resulting in the rejection of new transactions with insufficient fee.

• Network congestion: Heavy network traffic can cause delays in transaction processing and lead to transaction rejection.

Workarounds and Solutions

To resolve the issue, users can try the following:

• Increase your Bitcoin wallet balance: Adding more BTC to your wallet can help cover the fee for each incoming transaction.

• Set different fee priorities: You can create separate wallets or wallet sets with different fees to prioritize certain transactions over others.

• Use a different network: Switching to a different blockchain, such as Ethereum or Litecoin, can help resolve issues related to insufficient fees.

Conclusion

While the problem of insufficient Bitcoin fees is common among Bitcoin users, it can be frustrating to have multiple pending transactions in the mempool rejected without sufficient funding. By understanding the causes and implementing workarounds, you can minimize these issues and ensure smooth transaction processing.

Keep in mind that Bitcoin Core wallets use a combination of technical factors to prioritize transactions. The best solution may be to adjust your wallet settings or use additional tools to optimize your wallet’s performance.

Stay informed about changes to Bitcoin Core and its mempool mechanics to avoid similar issues in the future.

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