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  2. Environmental impact of bitcoin - Wikipedia

    en.wikipedia.org/.../Environmental_impact_of_bitcoin

    The shift from coal resources in China to coal resources in Kazakhstan increased bitcoin's carbon footprint, as Kazakhstani coal plants use hard coal, which has the highest carbon content of all coal types. [9] Despite the ban, covert mining operations gradually came back to China, reaching 21% of global hashrate as of 2022. [13]

  3. Hashrate - Wikipedia

    en.wikipedia.org/wiki/Hashrate

    The proof-of-work distributed computing schemes, including Bitcoin, frequently use cryptographic hashes as a proof-of-work algorithm. Hashrate is a measure of the total computational power of all participating nodes expressed in units of hash calculations per second.

  4. IRS tax forms - Wikipedia

    en.wikipedia.org/wiki/IRS_tax_forms

    As of the 2018 tax year, Form 1040, U.S. Individual Income Tax Return, is the only form used for personal (individual) federal income tax returns filed with the IRS. In prior years, it had been one of three forms (1040 [the "Long Form"], 1040A [the "Short Form"] and 1040EZ - see below for explanations of each) used for such returns.

  5. Is Miner Concentration Once Again Jeopardizing Bitcoin? Not ...

    www.aol.com/news/miner-concentration-once-again...

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  6. GHash.io - Wikipedia

    en.wikipedia.org/wiki/Ghash.io

    The news reportedly caused bitcoin's price to drop from $633 to $600 at the time. [6] Since no long-term solution to the 51% problem is known, the participants agreed to implement some temporary measures. GHash.io released a voluntary statement promising that it would not exceed 40% of the overall bitcoin hashrate. [7]

  7. Mining pool - Wikipedia

    en.wikipedia.org/wiki/Mining_pool

    Two key factors are involved in the algorithm that calculates profitability, the block time, and the price on the exchanges. To avoid the need for many different wallets for all possible minable coins, multipools may automatically exchange the mined coin to a coin that is accepted in the mainstream (for example bitcoin). Using this method ...

  8. Schedule D: How to report your capital gains (or losses) to ...

    www.aol.com/finance/schedule-d-report-capital...

    Schedule D also requires information on any capital loss carry-over you have from earlier tax years on line 14, as well as the amount of capital gains distributions you earned on your investments.

  9. Bitcoin's 2025 Outlook Suddenly Looks Uncertain: Here's Why - AOL

    www.aol.com/bitcoins-2025-outlook-suddenly-looks...

    As 2025 approaches, Bitcoin (CRYPTO: BTC) finds itself navigating a shifting macroeconomic landscape, with fading tailwinds raising concerns about sustained momentum, according to a report. What ...

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    related to: bitcoin hashrate distribution schedule c form 1040