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  2. Proof of work - Wikipedia

    en.wikipedia.org/wiki/Proof_of_work

    Proof of work (PoW) is a form of cryptographic proof in which one party (the prover) proves to others (the verifiers) that a certain amount of a specific computational effort has been expended. [1] Verifiers can subsequently confirm this expenditure with minimal effort on their part.

  3. Time travel - Wikipedia

    en.wikipedia.org/wiki/Time_travel

    Time travel is the hypothetical activity of traveling into the past or future. Time travel is a concept in philosophy and fiction, particularly science fiction. In fiction, time travel is typically achieved through the use of a device known as a time machine. The idea of a time machine was popularized by H. G. Wells's 1895 novel The Time ...

  4. No-doc mortgage: What is it and can you still get one? - AOL

    www.aol.com/finance/no-doc-mortgage-still-one...

    Key takeaways. A no-doc mortgage offers a way to get a home loan without some of the income and employment verification paperwork lenders traditionally require, like W-2s and pay stubs.

  5. Temporal paradox - Wikipedia

    en.wikipedia.org/wiki/Temporal_paradox

    A bootstrap paradox, also known as an information loop, an information paradox, [6] an ontological paradox, [7] or a "predestination paradox" is a paradox of time travel that occurs when any event, such as an action, information, an object, or a person, ultimately causes itself, as a consequence of either retrocausality or time travel.

  6. Evidence of absence - Wikipedia

    en.wikipedia.org/wiki/Evidence_of_absence

    A negative claim may or may not exist as a counterpoint to a previous claim. A proof of impossibility or an evidence of absence argument are typical methods to fulfill the burden of proof for a negative claim. [13] [16] Philosopher Steven Hales argues that typically one can logically be as confident with the negation of an affirmation.

  7. Secretary of State investigation underscores lack of ...

    www.aol.com/news/secretary-state-investigation...

    No proof of citizenship is required to be provided in order to receive a ballot. According to emails obtained by The Center Square, SOS Director of Elections Stuart Holmes contacted DOL officials ...

  8. You need money and have no savings. Here’s what to do ... - AOL

    www.aol.com/finance/money-no-savings-instead...

    You commute to work every day and have no choice but to fix your car. Understandably stressed, you charge your credit card. Your car problem is solved. But now you have a $1,500 balance at 20.42 ...

  9. Travel document - Wikipedia

    en.wikipedia.org/wiki/Travel_document

    For such travel within India, Indian citizens may utilise their Voter ID, National Identity Card, passport, or other proof of Indian citizenship whilst Nepali nationals may present any similar proof of Napali citizenship. Meanwhile, for such travel within mainland China, Chinese nationals from the mainland are required to use their national ...