Understanding SpiderPool's Empty Bitcoin Blocks and Their Implications

By Patricia Miller

Jun 20, 2026

2 min read

SpiderPool mined an empty Bitcoin block, raising questions about network efficiency and the implications for transaction processing.

#What Happened with Block 954,352?

On June 19, 2026, SpiderPool made a notable entry in the Bitcoin blockchain by mining block 954,352, which surprisingly had minimal content. This block was mined at approximately 04:27 UTC and contained only the essential coinbase transaction, which is the miner's reward, alongside zero user transactions. With a size of just 1.16 kWU, this block was a mere fraction of its capacity, being only about 0.03% utilized.

#Why Did SpiderPool Skip Transaction Fees?

The decision to mine an empty block was not arbitrary. When a Bitcoin mining pool discovers a new block, it must take time to validate and collect transactions from its pending queue. In this case, SpiderPool opted to work with a basic template featuring only the coinbase transaction instead of waiting to gather additional transaction data. Given that there was a short 62-second gap between this block and the previous one, SpiderPool capitalized on this opportunity to maintain its hashrate efficiency and successfully mined the block before a fuller transaction template could be assembled.

#How Common Are Empty Blocks for SpiderPool?

SpiderPool's approach to mining empty blocks is not an isolated incident. Data from Mempool Research reveals that this pool has a higher-than-average empty block rate, exceeding 5% relative to its overall network hashrate. Established in 2018, SpiderPool is recognized as one of the larger Bitcoin mining entities, holding around 8-12% of the network's total hashrate. The pool utilizes a Full Pay Per Share model, charging a standard fee of around 4% for its services. The research indicates that this pattern of mining empty blocks is a strategic choice rather than a technical flaw.

#What Does This Mean for Blockchain Dynamics?

The existence of empty blocks ignites discussions among Bitcoin enthusiasts. Critics point out that these empty blocks waste potential transaction space, causing delays in transaction confirmations and negatively affecting the network's efficiency. Conversely, supporters contend that miners are not required to include transactions, even though they are incentivized via transaction fees. Despite the reported empty block rate from SpiderPool, which may slightly reduce the overall block space, it is important to note that these empty blocks still provide valid proof of work and contribute to blockchain continuity.

The 62-second interval prior to mining block 954,352 also demonstrates why empty blocks often appear with short inter-block times. When block generation is rapid, it limits the time available for pools to compile more extensive templates, hence increasing the chance of mining with minimal data.

#Conclusion

Overall, SpiderPool's mining practices underline critical dynamics within the Bitcoin network. With strategic timing and technical decisions, the impacts of empty blocks can reshape not only individual mining strategies but also broader network efficiency and transaction processing capabilities.

Important Notice And Disclaimer

This article does not provide any financial advice and is not a recommendation to deal in any securities or product. Investments may fall in value and an investor may lose some or all of their investment. Past performance is not an indicator of future performance.