[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"glossary-term-en-rejected-share":3,"glossary-related-en-rejected-share":38},{"term":4},{"id":5,"locale":6,"slug":7,"term":8,"h1":8,"shortDefinition":9,"simpleExplanationHtml":10,"howItWorksHtml":11,"exampleHtml":12,"contentHtml":13,"aliases":14,"abbreviations":15,"algorithms":16,"faq":17,"seoTitle":33,"seoDescription":34,"status":35,"publishedAt":36,"updatedAt":37},"0eee694f-8e80-48e7-b2ed-6ee5c106bd92","en","rejected-share","Rejected Share","A rejected share is a share that a miner submits that does not meet the pool’s criteria for a valid partial solution. Rejected shares are discarded and do not count towards the miner's total contribution, meaning the miner will not receive a reward for them. ","\u003Cp>In a mining pool, miners submit shares to prove that they are contributing to solving the block puzzle. A rejected share is a share that doesn’t meet the pool's validation rules. While the share may be a valid cryptographic solution, it doesn't meet the necessary conditions set by the pool, so it’s rejected.\u003C\u002Fp>\u003Cp>Shares are typically rejected for reasons like:\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cp>\u003Cstrong>Invalid submission:\u003C\u002Fstrong> The share may have been incorrectly formatted or have a calculation error.\u003C\u002Fp>\u003C\u002Fli>\u003Cli>\u003Cp>\u003Cstrong>Incorrect nonce:\u003C\u002Fstrong> The nonce value may not match the criteria for a valid share.\u003C\u002Fp>\u003C\u002Fli>\u003Cli>\u003Cp>\u003Cstrong>Connection issues:\u003C\u002Fstrong> Network problems or timeouts during the share submission can cause shares to be rejected.\u003C\u002Fp>\u003C\u002Fli>\u003Cli>\u003Cp>\u003Cstrong>Outdated shares:\u003C\u002Fstrong> Shares may be submitted after the pool has already found a valid block, but this is more commonly called a stale share.\u003C\u002Fp>\u003C\u002Fli>\u003C\u002Ful>\u003Cp>Rejected shares do not contribute to the pool’s mining efforts, and miners are not compensated for them. Mining pools track rejected shares and may provide feedback to miners so they can adjust their settings or configurations.\u003C\u002Fp>","\u003Cp>When a miner finds a partial solution to the mining puzzle, they submit a share to the mining pool. The pool then checks the submitted share against its validation rules.\u003C\u002Fp>\u003Cp>If the share doesn't meet the pool’s criteria, it is rejected. This can happen for a variety of reasons:\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cp>The share may not have the correct hash value that matches the pool’s required target.\u003C\u002Fp>\u003C\u002Fli>\u003Cli>\u003Cp>The submitted share may be improperly formatted or include a calculation error.\u003C\u002Fp>\u003C\u002Fli>\u003Cli>\u003Cp>Network issues may cause the share to be lost or corrupted before it is processed.\u003C\u002Fp>\u003C\u002Fli>\u003C\u002Ful>\u003Cp>Once rejected, the share is discarded, and the miner must try again by adjusting their nonce or configuration. The miner is not rewarded for rejected shares, which means they lose out on potential earnings.\u003C\u002Fp>\u003Cp>Miners who frequently experience rejected shares may need to check their miner settings, update their hardware, or troubleshoot network connections to reduce the occurrence of rejected shares.\u003C\u002Fp>","\u003Cp>Imagine a miner is working on solving a Bitcoin block in a mining pool. They find a partial solution and submit it as a share. However, when the pool checks the share, it doesn’t meet the required criteria - for example, the hash value is too high and doesn't meet the pool's target.\u003C\u002Fp>\u003Cp>As a result, the pool rejects the share, and the miner does not receive any reward for it. The miner then adjusts their configuration or increases their computational effort to try again.\u003C\u002Fp>","\u003Cp>If the miner continues to submit rejected shares, it may indicate issues with their mining hardware, software configuration, or internet connection.\u003C\u002Fp>",[],[],[],[18,21,24,27,30],{"answer":19,"question":20},"A share can be rejected if it does not meet the mining pool’s criteria, such as having an invalid nonce, incorrect hash, or being submitted incorrectly. Network issues or software bugs can also lead to rejected shares.","Why would a share be rejected?",{"answer":22,"question":23},"To prevent rejected shares, ensure that your miner’s settings are correct, your network connection is stable, and your hardware is performing optimally. Regularly updating mining software and troubleshooting errors can help minimize rejected shares.","How can I prevent rejected shares?",{"answer":25,"question":26},"Yes, rejected shares do not count towards your total contribution, so you won’t receive any reward for them. This can reduce your overall earnings, especially if rejected shares are frequent.","Do rejected shares affect my mining rewards?",{"answer":28,"question":29},"Yes, hardware problems, such as faulty or outdated mining equipment, can result in rejected shares. It's important to maintain and update your mining hardware regularly to avoid such issues.","Can rejected shares be due to hardware issues?",{"answer":31,"question":32},"Yes, rejected shares are invalid shares that do not meet the pool’s validation criteria, while stale shares are valid shares that were submitted after the pool had already solved the block. Both do not contribute to the reward, but they occur for different reasons.","Is there a difference between rejected shares and stale shares?","Rejected Share: Definition, Why It Happens in Mining Pools","What is a rejected share in Bitcoin mining? Learn why shares get rejected by mining pools, how they differ from stale shares, and their impact on mining rewards.","published","2026-04-29T08:26:40.430Z","2026-04-29T08:26:34.928Z",{"items":39},[40,46,52,58,64],{"id":41,"slug":42,"term":43,"shortDefinition":44,"firstLetter":45},"703383e5-d9f4-4a54-8d42-3d643af4cd5a","block-subsidy","Block Subsidy","The block subsidy is the fixed reward that miners receive for successfully mining a new block on the Bitcoin network. It is composed of two parts: the block reward (which is a fixed number of Bitcoin) and any transaction fees included in the block. The block subsidy decreases over time through a process known as \"halving,\" which happens approximately every four years.","B",{"id":47,"slug":48,"term":49,"shortDefinition":50,"firstLetter":51},"c1985bd1-d4ae-4b62-b765-f5d0d3a0537f","antminer","Antminer","Antminer is a brand of ASIC (Application Specific Integrated Circuit) mining hardware developed by Bitmain. Antminer devices are specifically designed for cryptocurrency mining, particularly Bitcoin, and are known for their high efficiency, power, and performance. Learn how ASIC devices are used.","A",{"id":53,"slug":54,"term":55,"shortDefinition":56,"firstLetter":57},"324ebea0-0043-4d80-b2ce-9f153c4cee39","mining-variance","Mining Variance","Mining variance refers to the statistical fluctuations in the number of blocks a miner is likely to find over a period of time. Because mining is a probabilistic process, there is always a level of uncertainty in how often a miner will find a block. ","M",{"id":59,"slug":60,"term":61,"shortDefinition":62,"firstLetter":63},"659839f6-0eb4-4137-9449-998ab927f323","overclocking","Overclocking","Overclocking refers to the practice of increasing the operating speed of a mining device, such as an ASIC miner or GPU, beyond its default specifications. In Bitcoin mining, overclocking is used to boost the hashrate (mining performance) by increasing the clock speed of the hardware.","O",{"id":65,"slug":66,"term":67,"shortDefinition":68,"firstLetter":57},"b00bcb91-8765-483d-90da-d17b384ae1f4","mining-profitability","Mining Profitability","Mining profitability refers to the amount of profit a miner can earn after accounting for the costs of mining, such as hardware, electricity, and pool fees. It is the balance between the mining rewards (block rewards and transaction fees) and the expenses involved in mining. Profitability is affected by various factors, including the network difficulty, block reward, mining hardware efficiency, electricity costs, and pool fees."]