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    Bitcoin Daily Discussion, December 20, 2019

    December 20, 2019

    Bitcoin Daily Discussion, December 20, 2019

    Daily Discussion, December 20, 2019

    Posted: 19 Dec 2019 11:00 PM PST

    Please utilize this sticky thread for all general Bitcoin discussions! If you see posts on the front page or /r/Bitcoin/new which are better suited for this daily discussion thread, please help out by directing the OP to this thread instead. Thank you!

    If you don't get an answer to your question, you can try phrasing it differently or commenting again tomorrow.

    We have a couple chat rooms now!

    Please check the previous discussion thread for unanswered questions.

    submitted by /u/rBitcoinMod
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    Bitcoin HODLERS be like...

    Posted: 19 Dec 2019 10:40 PM PST

    Moving Money Far Better. #bitcoinlightning

    Posted: 19 Dec 2019 08:26 PM PST

    Is it safe to buy Bitcoin through your bank?

    Posted: 19 Dec 2019 08:23 PM PST

    CNBC: Bitcoin may be poised for a huge breakout

    Posted: 19 Dec 2019 03:36 PM PST

    I wrote an offline Bitcoin block explorer that loads data from Bitcoin Core and allows you to explore the blockchain on your PC

    Posted: 20 Dec 2019 03:11 AM PST

    Dear /r/Bitcoin, I wrote a set of tools to import data from .bitcoin/blocks/blkXXXXX.dat files into databases and allow you to explore the blockchain on your own PC by running ad-hoc queries of all the main Bitcoin Core data structures including blocks, TX's, inputs, outputs, addresses and more.

    It's written in C++ and uses Bitcoin Core itself to read the data, so it's always 100% compliant with the latest Bitcoin release. I abstracted away the database functions, so you can implement "drivers" for any other DB system. I've been playing with it on MySQL but perhaps others would prefer Neo4J or Cassandra for nosql graph analysis.

    Once the data is loaded, you can run any database query against it.

    I implemented a simple reference Python interface to it so you can play with the blockchain. I made this outer layer in Python but any other language can be easily plugged in, including big data analysis systems like Spark or Hadoop.

    Some stuff you can do with it:

    • Trace any Bitcoin address funds by building a graph
    • Run your own local block explorer without any external API
    • Add and subtract inputs/outputs to build whatever statistics
    • Plug in viz modules to output graphical stuff from the data

    While loading the block files it does some additional work :

    • Creates an index of block position in .dat files. Bitcoin Core does this but access to the index is locked while Core is running. With Toolbox you can play with this data even while Bitcoin Core is running independently. With this index you can go back to the raw data any time. This can be turned into a website service and exposed via an API
    • Generates a address graph, resolving previous outputs from inputs and building a DB table with source and destination TX's and addresses side by side. It's like a WWW block explorer in your own database which you can query in any way.

    Addresses, TX's and all other data structures are decoded by Bitcoin Core itself. The C++ Toolbox links to Bitcoin Core and uses the canonical implementation, so the loaded data is accurate. The Python reference implementation is almost 100% independent from the C++ code (except for configuration code which shares the same parameters and config file as the C++ Toolbox).

    Released under the MIT license.

    I hope you like playing with it!

    Links

    Announcement : https://bitcointalk.org/index.php?topic=5211107.0

    Docs : https://crypto.bi/tape/toolbox/

    Source code: https://github.com/cryptobi/toolbox

    submitted by /u/josefonseca
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    Snowden: US Seizing My Book Revenue is ‘Good for Bitcoin’

    Posted: 19 Dec 2019 10:33 AM PST

    Whatever profits Edward Snowden's book "Permanent Record" has earned since its September release will need to be handed over to the US government, thanks to a new ruling from a federal judge.

    submitted by /u/Mark_Bear
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    Why Central Bank Digital Currencies dont matter.

    Posted: 19 Dec 2019 05:57 PM PST

    Cryptocurrency means two things:

    Cryptographically Secure

    Cryptographically Scarce

    These two functions allow bitcoin to operate in a global manner without having to trust any one country or poitical organization like the IMF. If your coin is neither of these things then it is not a cryptocurrency.

    Central Bank Digital Currencies are neither of these things. CBDC's are centralized, they rely on trust for security and they rely on authority for supply, just like fiat paper money. CBDC's do nothing for global efficiencies as they still operate within strictly controlled borders. They are no different from what we already have today in the form of digital entries in a commercial banks books.

    Bitcoins magic is not that it's digital, it's that it is globally secure and globally scarce without having to trust in a central authority to achieve it allowing the whole world to use one efficient and fair monetary protocol.

    submitted by /u/slvbtc
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    LNbits, simple Python free and open-source lightning-network wallet

    Posted: 19 Dec 2019 03:25 PM PST

    LNbits, simple Python free and open-source lightning-network wallet

    ​

    ​

    https://preview.redd.it/6y0u8bi6co541.png?width=1662&format=png&auto=webp&s=ab271a9a13629e0db1a25a24ebf1c0790a1763f1

    https://github.com/arcbtc/lnbits

    LNbits is a very simple server that sits on top of a funding source, and can be used as:

    • Accounts system to mitigate the risk of exposing applications to your full balance, via unique API keys for each wallet!
    • Fallback wallet for the LNURL scheme
    • Instant wallet for LN demonstrations

    The wallet can run on top of any lightning-network funding source such as LND, lntxbot, paywall, opennode, etc. This first BETA release runs on top of lntxbot, other releases coming soon, although if you are impatient, it could be ported to other funding sources relatively easily. Contributors very welcome :)

    submitted by /u/genieforge
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    True freedom: Decentralized electricity+decentralized internet + decentralized currency: There are protests happening in India and the govt decided to shut down the internet in major cities. The world's largest democracy is a joke..lol

    Posted: 19 Dec 2019 11:26 AM PST

    Just felt the whole idea seemed pointless without internet or electricity... Can crypto decentralize electricity and the internet.. Maybe with solar power but can internet access be decentralized. Any ideas for the future? I'm just curious.

    submitted by /u/Dangopak
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    News from the cheapnode project

    Posted: 20 Dec 2019 01:29 AM PST

    Grayscale Sees Massive Bitcoin Inflow ($171 million) despite bear market and It Means Institutions are Here

    Posted: 20 Dec 2019 01:19 AM PST

    Happy New Year Bitcoin! :-)

    Posted: 20 Dec 2019 03:30 AM PST

    MCC 2019: Bitcoin Without Internet Panel

    Posted: 20 Dec 2019 02:11 AM PST

    US Congress considers passing crypto regulations bill

    Posted: 20 Dec 2019 03:38 AM PST

    Tell me something I didn’t know about bitcoin.

    Posted: 20 Dec 2019 01:54 AM PST

    I'll give reddit gold to the best answers (more likely if you don't have premium). Can be anything such as a price prediction model, a piece of history, or a feature. Maybe we can all learn a little more today!

    submitted by /u/BeTeeC
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    I thought may favorite subreddit may have a field day with this...

    Posted: 19 Dec 2019 05:43 PM PST

    A malware signed Greta Thunberg - The Cryptonomist

    Posted: 20 Dec 2019 01:12 AM PST

    Federal Reserve "Network Issues" Cause Nationwide Direct Deposit Outage while Bitcoin network is still running strong

    Posted: 19 Dec 2019 08:56 AM PST

    Bitcoin Gource: Zapread.com

    Posted: 20 Dec 2019 03:57 AM PST

    provides BTC-USDC products. The investment currency is bitcoin

    Posted: 20 Dec 2019 03:43 AM PST

    Have you heard of Dual Currency Product？ The Dual Currency Product is a non-principal protected investment product with a floating return (up to 50-100% annualized). The yield of the product is secured at the time of purchase, but the currency to be settled in is a function of the numeric comparison between settlement price at expiry versus linked price. It is a short-term investment product that gives you the opportunity to earn potentially high returns, and you will also be able to enjoy the flexibility of different duration of your choice.

    submitted by /u/bitcoinbiubiubiu
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    When the market will crash again: Bitcoin HODLERS Vs the world

    Posted: 20 Dec 2019 01:13 AM PST

    Apps to trade with

    Posted: 19 Dec 2019 10:23 PM PST

    Hey so I'm under 18 and I want to start investing in bitcoin but most applications make you be above 18. Does anybody know any application I could trade with as a minor

    submitted by /u/j-1243
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    Coinbase CEO Armstrong Wins Patent for Tech Allowing Users to Email Bitcoin

    Posted: 19 Dec 2019 08:41 AM PST
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