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Thank you for your comment @SatisFictionary. I understand that the energy consumption of Bitcoin transactions can seem surprising. Let me explain how this figure is derived and provide the sources for this information. Explanation: Total Energy Consumption of the Bitcoin Network: According to the Cambridge Bitcoin Electricity Consumption Index (CBECI) and Digiconomist, the Bitcoin network consumes approximately 130 terawatt-hours (TWh) of electricity annually. Source: Cambridge Bitcoin Electricity Consumption Index (CBECI) - Website: www.cbeci.org/ Source: Digiconomist Bitcoin Energy Consumption Index - Website: digiconomist.net/bitcoin-energy-consumption/ Number of Transactions: Data from Blockchain.com shows that the Bitcoin network processes about 100 million transactions per year. Source: Blockchain.com Bitcoin Explorer - Website: www.blockchain.com/explorer Calculation: To determine the energy consumption per transaction, we divide the total annual energy consumption by the number of transactions: Total Annual Energy Consumption: 130 TWh = 130,000,000,000 kWh Number of Transactions Annually: 100,000,000 transactions Energy consumption per transaction = 130,000,000,000 kWh / 100,000,000 transactions = 1300 kWh per transaction Summary: Based on these calculations, a single Bitcoin transaction consumes approximately 1300 kilowatt-hours (kWh) of electricity. This calculation provides a rough estimate and actual figures can vary slightly depending on the latest data and specific sources. If you have any further questions or would like more details, feel free to ask!

​@@xplainedbyai Ahh, I get it, you have mis-calculated. You are including the energy consumption of creating the coins, not just the transaction cost. I could do the same for cash, all I need to do is calculate the entire energy consumption of ink manufacture, paper, investment in security, printing presses, delivery of cash by armed security etc. etc. then divide this huge sum by the amount of cash transactions and conclude that cash is stupidly expensive to use.

@@SatisFictionary Thanks again. I see your point! and its fascinating! If we were to isolate the cost of a single Bitcoin transaction, assuming that all other costs (such as mining infrastructure, hardware, etc.) are null, we would still need to consider the energy required to validate and process that transaction. Here is a simplified way to approach this calculation: 1. **Energy Consumption of a Single Transaction**: - Each Bitcoin transaction needs to be verified and added to the blockchain. This involves solving complex cryptographic puzzles which require computational power. - The energy consumed in processing a single transaction can be significant, considering the overall power used by the Bitcoin network. ### Simplified Calculation: Let's use the latest available data to estimate the energy consumption for a single transaction without considering any pre-requirements. 1. **Energy Usage Per Block**: - Each Bitcoin block contains an average of around 1,500 to 2,000 transactions. - The energy used to mine a block can be estimated based on the total network energy consumption. 2. **Total Network Energy Consumption**: - According to recent data, the Bitcoin network consumes approximately 130 TWh annually. 3. **Blocks Mined Per Year**: - The Bitcoin network mines a block approximately every 10 minutes. - This results in about 144 blocks per day or 52,560 blocks per year (144 blocks/day * 365 days/year). 4. **Energy Consumption Per Block**: - Total annual energy consumption: 130 TWh = 130,000,000,000 kWh. - Energy per block: 130,000,000,000 kWh / 52,560 blocks ≈ 2,474,621 kWh per block. 5. **Energy Consumption Per Transaction**: - Average transactions per block: 1,500 to 2,000 transactions. - Energy per transaction: 2,474,621 kWh / 1,500 transactions ≈ 1,650 kWh (or for 2,000 transactions ≈ 1,237 kWh). ### Conclusion: - Assuming all other costs are null and focusing solely on the energy cost of processing a single transaction, it would consume approximately 1,237 to 1,650 kWh of electricity. These calculations provide a rough estimate based solely on the energy required to process transactions, excluding all other potential costs. The actual number might vary based on the specifics of the network's current state and transaction volume.

@@xplainedbyai Again, no. Each transaction is signed with the users private key, in the same way an HTTPS connection works over the internet. To suggest that huge compute power is required to encode and decode each transaction is complete nonsense. Why are you including all the mining compute?

@@xplainedbyai You suggest that it costs 1,237 to 1,650 kWh per transaction. There are over a billion transactions per year. Do you expect people to believe that one year of transactions costs between 1,237 and 1,650 TWh of power? Bitcoin would simply collapse overnight. If that were the power cost just for transactions, the mining costs would be higher than the GDP of multiple first world countries.

P.S. The flights also carry mail and package deliveries between the 3 Islands.

The flights provide a connection between the 3 Scottish Islands of Orkney, Westray, and Papa Westray. The flights occur frequently throughout each day in both directions. They're the quickest and most efficient way for residents and tourists to travel between the 3 small islands for work, shopping, hospital appointments (only Orkney has a hospital and supermarkets), etc. Using a boat would be much slower, less convenient and much more uncomfortable, especially in bad weather and choppy seas that can occur there. However, there is also a much slower vehicle ferry for people who want/need to use their car.

What else were you looking for??

The flights provide a connection between the 3 Scottish Islands of Orkney, Westray, and Papa Westray. The flights occur frequently throughout each day in both directions. They're the quickest and most efficient way for residents and tourists to travel between the 3 small islands for work, shopping, hospital appointments (only Orkney has a hospital and supermarkets), etc. Using a boat would be much slower, less convenient and much more uncomfortable, especially in bad weather and choppy seas that can occur there. However, there is also a much slower vehicle ferry for people who want/need to use their car.

@@davidusa47a reason for flying such a short distance. Or are you one of those people going through life assuming everything. Don't assume anything.