Monday, January 6, 2020

What Might the Future of Crypto Look Like?

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While the cryptocurrency industry can still expect to see its fair share of regulatory hurdles, censorship, and backlash, its progress up to this point has paved the way for developers to turn their attention to larger projects that are designed to succeed where Bitcoin failed.

One of the more notable projects to emerge is China’s expected national cryptocurrency, which will act as a digital alternative to the Yuan. With such a development in the works, the question is not only whether or not cryptocurrency can thrive in such a setting, but where it will take us if other entities should choose to follow suit.

Beyond Bitcoin: Government-Backed Cryptocurrencies

The conversation surrounding government-backed stablecoins has largely been dismissive up until now, with many governments not seeing the need to switch over to a digital version of fiat currency. But with innovation comes competition, and this competition sparks the desire for many to build and surpass what others are creating.

Take, for example, China’s national stablecoin. While others may not see a need for a national stablecoin, there is no doubt that countries will begin diving deeper into crypto in an attempt to keep up with the pace of external markets. If there is a demand for crypto, people will naturally seek to meet this need.

But what would such a global market look like? Would it be the same as it is now? Would we see decentralized crypto take over?

In the event that China’s stablecoin has an effect that inspires the actions described above, we may potentially see two different outcomes. The first would be a world in which all countries would have developed their own cryptocurrencies while relying on existing or new assets to facilitate transfers globally. It would be much like it is now, but with crypto banks using products like Ripple to eliminate high fees and send money instantly.

Another world is one in which all countries build their cryptocurrencies on a single blockchain to allow them to interact directly. In this world, stablecoins could easily be swapped for one another, allowing for seamless transfers without having to worry about a third party crypto to guard transfers against high fees and exchange processes.

It’s important to note crypto’s importance in underdeveloped countries as well. Where fiat has failed and corruption is rampant, decentralized products have managed to help build both wealth and economies. A future with cryptocurrency in place of fiat currency is not a hard one to imagine if mass adoption is achieved and we reach a place where the benefits far outweigh the potential disadvantages.

For Now… It’s a Waiting Game

The situations above are purely hypothetical, but it is hard to deny that the survival and applications of cryptocurrency and blockchain have been impressive since crypto began gaining public attention. Should the right series of events occur and governments embrace crypto rather than continually pushing it away, we could see a world where cryptocurrency assets dominate the market and fiat becomes a secondary store of wealth.

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Other Related Bitcoin Topics:

Bitcoin Price | Bitcoin Mining | Blockchain


The latest Bitcoin news has been sourced from the CoinSalad.com Bitcoin Price and News Events page. CoinSalad is a web service that provides real-time Bitcoin market info, charts, data and tools. Follow us on Twitter @CoinSalad.


Tools for file copying and compression

If I were Stephanie Hofeller for a day I would use these Debian GNU/Linux command line tools for copying files (rsync), letting users know if files were copied correctly (rhash) and compressing files so they took as little space as possible (tar and xz).

  • Create checksums of all files so file integrity can be confirmed.

    • Create the file checksum.txt containing SHA256 checksums of all files in /home/baltakatei/Backups directory:

      $ rhash --recursive --sha256 /home/baltakatei/Backups > /home/baltakatei/Backups/checksums.txt

    • Use checksums.txt to make sure that all files in /home/baltakatei/Backups have the SHA256 hashes listed in checksums.txt:

      $ rhash --check --sha256 /home/baltakatei/Backups/checksums.txt

  • Copy files from one location to another (ex: backing up your Documents folder)

    $ rsync -avu --modify-window=1 --progress /home/baltakatei/Documents /home/baltakatei/Backups/20200106T0909Z_Documents

    • References
      • Link. General guide for using rsync to copy files.
      • Link. Why --modify-window=1 is useful when using rsync to copy from Windows file systems.
      • Link. Note for increasing file transfer efficiency if transferring between macOS and GNU/Linux by specifying file name format encoding.
  • Compress the directory (and all files it contains) into a single tar.xz file (max compression, high memory req.).

    • Create the compressed tar.xz file:

      $ tar cf - /home/baltakatei/Backups | xz -9e --lzma2=dict=1536MiB,mf=bt4,nice=273,depth=1000 > Backups.tar.xz

    • Decompress the contents of the tar.xz file to /home/baltakatei/Downloads directory:

      $ tar -xf Backups.tar.xz -C /home/baltakatei/Downloads/Backups

    • Note: As I understand it, using a large dictionary (1536 MiB) means highly redundant data (ex: backup copies) could be very efficiently compressed.

    • References

      • Link. How to uncompress tar.xz files.
      • Link. How to specify output location for files extracted tar.
      • Link. How xz dictionary size affects compression.
  • Notes:

    • These steps can mostly be replicated in macOS via Homebrew.
    • Packages may be installed in Debian 10 via the apt package manager by:

      $ sudo apt-get update $ sudo apt-get install rsync xz-utils rhash 
    • I don't use Ubuntu but it appears to also have the apt package manager and probably has rsync, xz-utils, and rhash.

    • Optional:

      • I would sign checksum.txt with my openPGP key if I had one with $ gpg -o checksums.txt.gpg -s checksums.txt so the integrity of the checksum file could be verified by $ gpg --verify checksums.txt.gpg.
      • I would upload the checksums.txt file to OpenTimestamps so the existence of the files could be proved in a decentralized fashion by way of the Bitcoin blockchain.

Narrative Summary: I would mount all USB drives onto my desktop computer, use rsync to copy each of their contents onto a local 4 TB hard drive. Then I would run rhash to create a file manifest that could then be audited by someone who downloaded the data using the same rhash program to make sure all files were sent correctly. Then I would compress this with tar and xz since most of the space is taken up by multiple backups of mostly the same data. Then I would upload the resulting tar.xz file to Google Drive (or some other file hosting service), or create a BitTorrent, or try to get someone at the Internet Archive to host it for me. Someone wanting to verify that the data had not been tampered with could do so with the checksum.txt file (or with one of the optional measures I described) regardless of what method they used to acquire the files.

tl;dr I'd use GNU/Linux to make a SHA256 manifest for the files before I uploaded them.



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Latest Bitcoin News:

Bitcoin being accused of energy wastage may be unwarranted

Other Related Bitcoin Topics:

Bitcoin Price | Bitcoin Mining | Blockchain


The latest Bitcoin news has been sourced from the CoinSalad.com Bitcoin Price and News Events page. CoinSalad is a web service that provides real-time Bitcoin market info, charts, data and tools. Follow us on Twitter @CoinSalad.


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