Bitcoin Client CryptoCoins Info Club

Bounty: 1.5 Million DOGE for the first person to create an electrum equivalent for dogecoin.

Houston, we have a problem.
The current dogechain over 1.4gb in size. This is incredibly bloated.
As time goes on, the size of the blockchain will only continue to increase, making sync times longer. Long sync times are bad because they may scare off newcomers who may need to download for hours or days before using dogecoin.
For obvious reasons, this is very bad.
Bitcoin has solved this problem by creating electrum and multibit, which are wallets that stores the blockchain online, but the wallet data locally. This allows for very small wallet sizes, with all the security features of having a local wallet.
We must do the same thing.
We have therefore decided to offer millions of dogecoins for anyone that can create an electrum equivalent for dogecoin.
If any shibes wants to help increase the size of this bounty, please donate to DMxCwo7qJphRVeC6pHcoDHaizk55pg6iNt . This address will only ever be used for the pot. Please do not tip me directly, because I need to keep track of money meant for me vs. money meant for pot.
tl;dr: Wow. Downlod much difficult. Hueg fil. need fix 2 get 2 moon. Such payment 4 fix. Such gud 4 new shibe. Bark bark.
 . 
Current Pot Size: Zero. Bounty has been paid out. See this for history
Note: I only control a portion of the total size of the pot. The rest are by individuals who have promised to give directly.
Much Generous Shibes who have contributed to the Pot:
Tuxedage, [-wolong-] (1m, give directly), thatslifeon (0.5m, give directly). tohaz (0.5m, GD) Shibe_Tabsa @ Teamdoge. mljsimone @ Hashdogs, Keebler64 , McPingvin, TheDoctor , need4doge , ummjackson, Faxon, UltraHR, UnsureSherlock, cpt_merica
Please message me with your name and donation amount if you want to get on this list.
 . . 
IMPORTANT ANNOUNCEMENTS -- If you are working on this project, please check here for important updates every few days

1: I see a lot of people tipping. I've already said this once, but I'll say it again. Please don't tip if your intention is to add to the pot. Send directly. I bear no responsibility if your funds are misplaced or accidentally lost.

2: I am now aware that an android wallet exists. Although I thought it was obvious from context, let me reaffirm this: I would like a wallet that works on Windows/Mac/Linux, and has an easy to use installer, rather than necessitating some kind of android emulator to port it over to a computer. It must be newbie friendly.

#3: Langer_hans has brought up a valid point -- the current phrasing of the thread is dangerous because it encourages bad, but quick submissions, as only the "first person" gets the bounty. I am proposing changing the system; users will vote on which wallet they like best. The one with the most votes will get the bounty instead. This should encourage people to actually make good quality submissions, and also to collaborate. What do you guys think?

4: 15th of February is the final deadline for wallet entree submissions. Please message me with FULL DETAILS (including name, download information, website, user guide, other info, and so on) of your wallet to submit. Users will then get 1 week to try out different wallets and form an opinion of them. A week later, I will open up a poll for voting on which wallet is the best. Whichever wallet gets the most votes will obtain the prizepool. About 400k of the pot will be reserved for consolidation prizes, to be distributed at discretion. (So that shibes who didn't win won't feel sad).

*#5: Due to exogenous circumstances, competition will start on the 19th Feb as opposed to 15th. Sorry for the delay. *
** #6: VOTING IS OPEN. http://www.reddit.com/dogecoin/comments/1yhf5c/the_dogecoin_lite_wallets_are_complete_vote_now/ **
If you need to contact me urgently, please go to the dogecoin IRC -- #dogecoin @ irc.freenode.net and message me.
 . 
List of Submissions
If you do not see your name or entree on here within 48 hours of messaging me, please message me again until I add it.
Final Update:
Given the incredibly close results of the poll, the Developers and I have privately discussed how best to distribute the bounty. They have mutually agreed to a 50-50 split. The bounty has been paid out. Cheers.
People who have pledged to directly donate to the developers, please message me. Thank you
submitted by Tuxedage to dogecoin [link] [comments]

Interesting technical facts about Groestlcoin that might explain price rise

Disclaimer: After doing some research, I own a small amount of Groestlcoin and no Vertcoin (I rkn VTC is overvalued currently). Might buy some VTC after it corrects. Here's why...
Original text: Posted by posted [–]jackielove4u 4 days ago https://www.reddit.com/groestlcoin/comments/78258z/is_grs_possibly_threatened_by_bitcoin_gold/dormg88/
Our selling points are:
submitted by enozym111 to CryptoCurrency [link] [comments]

PSA: Clearing up some misconceptions about full nodes

It's time to clear up some misconceptions floating around about full nodes.
Myth: There are only about 5500 full nodes worldwide
This number comes from this site and it measured by trying to probe every nodes on their open ports.
Problem is, not all nodes actually have open ports that can be probed. Either because they are behind firewalls or because their users have configured them to not listen for connections.
Nobody knows how many full nodes there are, since many people don't know how to forward ports behind a firewall, and bandwidth can be costly, its quite likely that the number of nodes with closed ports is at least another several thousand.
Nodes with open ports are able to upload blocks to new full nodes. In all other ways they are the same as nodes with closed ports. But because open-port-nodes can be measured and closed-port-nodes cannot, some members of the bitcoin community have been mistaken into believing that open-port-nodes are that matters.
Myth: This number of nodes matters and/or is too low.
Nodes with open ports are useful to the bitcoin network because they help bootstrap new nodes by uploading historical blocks, they are a measure of bandwidth capacity. Right now there is no shortage of bandwidth capacity, and if there was it could be easily added by renting cloud servers.
The problem is not bandwidth or connections, but trust, security and privacy. Let me explain.
Full nodes are able to check that all of bitcoin's rules are being followed. Rules like following the inflation schedule, no double spending, no spending of coins that don't belong to the holder of the private key and all the other rules required to make bitcoin work (e.g. difficulty)
Full nodes are what make bitcoin trustless. No longer do you have to trust a financial institution like a bank or paypal, you can simply run software on your own computer. To put simply, the only node that matters is the one you use
Myth: There is no incentive to run nodes, the network relies on altruism
It is very much in the individual bitcoin's users rational self interest to run a full node and use it as their wallet.
Using a full node as your wallet is the only way to know for sure that none of bitcoin's rules have been broken. Rules like no coins were spent not belonging to the owner, that no coins were spent twice, that no inflation happens outside of the schedule and that all the rules needed to make the system work are followed (e.g. difficulty.) All other kinds of wallet involve trusting a third party server.
All these checks done by full nodes also increase the security. There are many attacks possible against lightweight wallets that do not affect full node wallets.
This is not just mindless paranoia, there have been real world examples where full node users were unaffected by turmoil in the rest of the bitcoin ecosystem. The 4th July 2015 accidental chain fork effected many kinds of wallets. Here is the wiki page on this event https://en.bitcoin.it/wiki/July_2015_chain_forks#Wallet_Advice
Notice how updated node software was completely unaffected by the fork. All other wallets required either extra confirmations or checking that the third-party institution was running the correct version.
Full nodes wallets are also currently the most private way to use Bitcoin, with nobody else learning which bitcoin addresses belong to you. All other lightweight wallets leak information about which addresses are yours because they must query third-party servers. The Electrum servers will know which addresses belong to you and can link them together. Despite bloom filtering, lightweight wallets based on BitcoinJ do not provide much privacy against nodes who connected directly to the wallet or wiretappers.
For many use cases, such privacy may not be required. But an important reason to run a full node and use it as a wallet is to get the full privacy benefits.
Myth: I can just set up a node on a cloud server instance and leave it
To get the benefits of running a full node, you must use it as your wallet, preferably on hardware you control.
Most people who do this do not use a full node as their wallet. Unfortunately because Bitcoin has a similar name to Bittorrent, some people believe that upload capacity is the most important thing for a healthy network. As I've explained above: bandwidth and connections are not a problem today, trust, security and privacy are.
Myth: Running a full node is not recommended, most people should use a lightweight client
This was common advice in 2012, but since then the full node software has vastly improved in terms of user experience.
If you cannot spare the disk space to store the blockchain, you can enable pruning. In Bitcoin Core 0.12, pruning being enabled will leave the wallet enabled. Altogether this should require less than 900MB of hard disk space.
If you cannot spare the bandwidth to upload blocks to other nodes, there are number of options to reduce or eliminate the bandwidth requirement. These include limiting connections, bandwidth targetting and disabling listening. Bitcoin Core 0.12 has the new option -blocksonly, where the node will not download unconfirmed transaction and only download new blocks. This more than halves the bandwidth usage at the expense of not seeing unconfirmed transactions.
Synchronizing the blockchain for a new node has improved since 2012 too. Features like headers-first and libsecp256k1 have greatly improved the initial synchronization time.
It can be further improved by setting -dbcache=3000 which keeps more of the UTXO set in memory. It reduces the amount of time reading from disk and therefore speeds up synchronization. Tests showed that the entire blockchain can now be synchronized in less than 3 and a half hours (Note that you'll need Bitcoin Core 0.12 or later to get all these efficiency improvements) Another example with 2h 25m
How to run a full node as your wallet.
I think every moderate user of bitcoin would benefit by running a full node and using it as their wallet. There are several ways to do this.
So what are you waiting for? The benefits are many, the downsides are not that bad. The more people do this, the more robust and healthy the bitcoin ecosystem is.
Further reading: http://www.truthcoin.info/blog/measuring-decentralization/
submitted by belcher_ to Bitcoin [link] [comments]

Getting Started

Hello! Welcome to our awesome /Dogecoin community!
Here you can find very useful information about Dogecoin, Cryptocurrency and more!
Let's start from the beginning.
What is cryptocurrency?
Probably you know Bitcoin, Litecoin, and Dogecoin they are cryptocurrencies. Cryptocurrency is a blockchain-based digital asset that uses cryptography to secure its transactions.
How to start?
Here is a list of things:
Wallet
Why? You need to store your dogecoins somewhere.
Types of wallets:
Paper wallet
*Instruction: *
Step 0. Follow the security checklist recommend
The first! The first step is to download this website from Github and open the index.html file directly from your computer. It's just too easy to sneak some evil code in the 6000+ lines of javascript to leak your private key, and you don't want to see your fund stolen. Code version makes make it much easier to cross-check what actuallrunruns. For extra security, unplug your Internet access while generating your wallet.
Step 1. Generate new address
Choose your currency and click on the "Generate new address" button.
Step 2. Print the Paper Wallet
Click the Paper Wallet tab and print the high-quality quality setting. Never save the page as a PDF file to print it later since a file is more likely to be hacked than a piece of paper.
Step 3. Fold the Paper Wallet
Fold your new Paper wallet following the lines. You can insert one side inside the other to lock the wallet.
Step 4. Share your public address
Use your public address to receive money from other crypto-currency users. You can share your public address as much as you want.
Step 5. Keep your private key secret
The private key is literally the keys to your coins, if someone was to obtain it, they could withdraw the funds currently in the wallet, and any funds that might be deposited in that wallet.
Light Wallet
WoWdoge
Recommended
About:
WowDoge is a lightweight Doge Coin Wallet designed to end the frustrating waiting time downloading gigabytes blockchain! It was created with the intent and success of being exceedingly end-user friendly with a smooth interface. It's uncomplicated and easy to use, allowing fellow shibes to focus on what's important: TO THE MOON! New features will be added upon request! WowDoge is the free and open source! (MIT license)
Download: Windows
OSX
LINUX(.jar)
MultiDoge
About:
MultiDoge is a desktop Dogecoin client, powered by dogecoin. Ported from the MultiBit Bitcoin client. MultiDoge is a thin client Dogecoin wallet. It's a port of the MultiBit client for Bitcoin. The app is based on Dogecoin, which in turn is a port of BitCoinJ. You can find DogecoinJ at google. Langerhans posted all the needed changes for Dogecoin compatibility over. This program uses a special branch of it, which can be found at MultiDoge website.
Core Wallet Official Dogecoin Wallet
Download:
Windows
Linux
OSX
About
Cloud Wallet
Let me don't comment this
Mining
What do you need?
Ideally – cheap electricity and a bunch of graphics cards.
However, you can start mining Dogecoins even using a single PC. You can also mine without using a graphics card, although the progress will be slower. Mining for coins shouldn’t affect the performance of your computer on the default settings since it will only use computing or graphics power when the system is idle.
Mining for coins on a laptop is usually not worth it since it’s not powered on 24/7, the CPU/GPU power is lower, and there is a greater chance of stressing out the chips on the laptop since they’re usually packed into a tighter space, and consequently at more risk of overheating. But if you just want to mine a little bit to get a few coins to play around with, it can do the job.
How to start? Download CUDA miner and fill info inside the window.
MORE SOON! Leave a comment with questions and ideas
You know ;) DU8qXjqCQ4fkNXg2Pxw4KXYMMMXNQxpybE
submitted by mrcyjanek_ to dogecoin [link] [comments]

GRS development status (facts)

From the GRS discord:
BCG came and people discoverd that is has the same qualities as VTC
But then not premined and ASIC resistent Then people started looking for more ASIC resistent coins and came to GRS VTC has a great dev team and now people are seeing that GRS has developed a lot further then VTC Then this list came with GRS
First coin with SegWit
Only coin that has succesfully ported Bitcoin Armory
Only coin that have over 40 Electrum servers.
One of the few coins that have a Ubuntu PPA available
One of the few coins that is officially maintained by the Bitcoin Debian packaging team
Only coin that has succesfully ported Multibit HD We have 10 different Android wallets. Most struggle to have just 1.
We have 9 different Blackberry wallets. Most dont have any.
One of the few coins that have an ios wallet
We have over 10 different desktop wallets
Only coin that has ported Samourai and thus succesfully implemented BIP147. You can work with payment channels with Groestlcoin.
One of the few coins where you can play with OP_HOLD, RBF and other new features
Only coin that has ported electrum client to java
One of the few coins that has ported rushwallet.com
Only coin with over 100 repositories with developed work.
Only coin that is capable of sending GRS over SMS
Only coin that has wallets which can use NFC tags as encryption key.
Only coin that has ported Msigna.
Only coin that has ported sentinel.
Only coin that is still being compiled with Visual Studio (like Satoshi himself did)
We got now also 2 ios wallets
We got 1 more android and 1 more blackberry wallet
We have a working testnet
We got a testnet android and blackberry wallet
We got a chrome os wallet
We got 2 new webwallets
We got tor support for our electrum since january 2017
We got 40 tor servers
VTC jumped from 0.60 usd to 4usd in two weeks (my guess is partially thanks to the btc fork)
GRS is now only 0.12usd And all these have SW, LN and AS
TLDR: GRS is very well developed.
submitted by johnturtle to CryptoCurrency [link] [comments]

Groestlcoin development questions.

I have some questions regarding this circulating sales pitch about Groestlcoin.
  1. First coin with SegWit
  2. Only coin that has succesfully ported Bitcoin Armory
  3. Only coin that have over 40 Electrum servers.
  4. One of the few coins that have a Ubuntu PPA available
  5. One of the few coins that is officially maintained by the Bitcoin Debian packaging team
  6. Only coin that has succesfully ported Multibit HD We have 10 different Android wallets. Most struggle to have just 1.
  7. We have 9 different Blackberry wallets. Most dont have any.
  8. One of the few coins that have an ios wallet
  9. We have over 10 different desktop wallets
  10. Only coin that has ported Samourai and thus succesfully implemented BIP147. You can work with payment channels with Groestlcoin.
  11. One of the few coins where you can play with OP_HOLD, RBF and other new features
  12. Only coin that has ported electrum client to java
  13. One of the few coins that has ported rushwallet.com
  14. Only coin with over 100 repositories with developed work.
  15. Only coin that is capable of sending GRS over SMS
  16. Only coin that has wallets which can use NFC tags as encryption key.
  17. Only coin that has ported Msigna.
  18. Only coin that has ported sentinel.
  19. Only coin that is still being compiled with Visual Studio (like Satoshi himself did)
  20. We got now also 2 ios wallets
  21. We got 1 more android and 1 more blackberry wallet
  22. We have a working testnet
  23. We got a testnet android and blackberry wallet
  24. We got a chrome os wallet
  25. We got 2 new webwallets
  26. We got tor support for our electrum since january 2017
  27. We got 40 tor servers
10, 17, 18 - For those that are less tech savvy, what are the implications of porting Samourai, Msigma and sentinel?
15 - What is the app that allows to send groestlcoin via SMS?
Thanks.
submitted by johnturtle to groestlcoin [link] [comments]

Clearing up some misconceptions about full nodes | Chris Belcher | Feb 10 2016

Chris Belcher on Feb 10 2016:
I've been asked to post this to this mailing list too. It's time to
clear up some misconceptions floating around about full nodes.
=== Myth: There are only about 5500 full nodes worldwide ===
This number comes from this and similar sites: https://bitnodes.21.co/
and it measured by trying to probe every nodes on their open ports.
Problem is, not all nodes actually have open ports that can be probed.
Either because they are behind firewalls or because their users have
configured them to not listen for connections.
Nobody knows how many full nodes there are, since many people don't know
how to forward ports behind a firewall, and bandwidth can be costly, its
quite likely that the number of nodes with closed ports is at least
another several thousand.
Nodes with open ports are able to upload blocks to new full nodes. In
all other ways they are the same as nodes with closed ports. But because
open-port-nodes can be measured and closed-port-nodes cannot, some
members of the bitcoin community have been mistaken into believing that
open-port-nodes are that matters.
=== Myth: This number of nodes matters and/or is too low. ===
Nodes with open ports are useful to the bitcoin network because they
help bootstrap new nodes by uploading historical blocks, they are a
measure of bandwidth capacity. Right now there is no shortage of
bandwidth capacity, and if there was it could be easily added by renting
cloud servers.
The problem is not bandwidth or connections, but trust, security and
privacy. Let me explain.
Full nodes are able to check that all of bitcoin's rules are being
followed. Rules like following the inflation schedule, no double
spending, no spending of coins that don't belong to the holder of the
private key and all the other rules required to make bitcoin work (e.g.
difficulty)
Full nodes are what make bitcoin trustless. No longer do you have to
trust a financial institution like a bank or paypal, you can simply run
software on your own computer. To put simply, the only node that matters
is the one you use.
=== Myth: There is no incentive to run nodes, the network relies on
altruism ===
It is very much in the individual bitcoin's users rational self interest
to run a full node and use it as their wallet.
Using a full node as your wallet is the only way to know for sure that
none of bitcoin's rules have been broken. Rules like no coins were spent
not belonging to the owner, that no coins were spent twice, that no
inflation happens outside of the schedule and that all the rules needed
to make the system work are followed (e.g. difficulty.) All other kinds
of wallet involve trusting a third party server.
All these checks done by full nodes also increase the security. There
are many attacks possible against lightweight wallets that do not affect
full node wallets.
This is not just mindless paranoia, there have been real world examples
where full node users were unaffected by turmoil in the rest of the
bitcoin ecosystem. The 4th July 2015 accidental chain fork effected many
kinds of wallets. Here is the wiki page on this event
https://en.bitcoin.it/wiki/July_2015_chain_forks#Wallet_Advice
Notice how updated node software was completely unaffected by the fork.
All other wallets required either extra confirmations or checking that
the third-party institution was running the correct version.
Full nodes wallets are also currently the most private way to use
Bitcoin, with nobody else learning which bitcoin addresses belong to
you. All other lightweight wallets leak information about which
addresses are yours because they must query third-party servers. The
Electrum servers will know which addresses belong to you and can link
them together. Despite bloom filtering, lightweight wallets based on
BitcoinJ do not provide much privacy against nodes who connected
directly to the wallet or wiretappers.
For many use cases, such privacy may not be required. But an important
reason to run a full node and use it as a wallet is to get the full
privacy benefits.
=== Myth: I can just set up a node on a cloud server instance and leave
it ===
To get the benefits of running a full node, you must use it as your
wallet, preferably on hardware you control.
Most people who do this do not use a full node as their wallet.
Unfortunately because Bitcoin has a similar name to Bittorrent, some
people believe that upload capacity is the most important thing for a
healthy network. As I've explained above: bandwidth and connections are
not a problem today, trust, security and privacy are.
=== Myth: Running a full node is not recommended, most people should use
a lightweight client ===
This was common advice in 2012, but since then the full node software
has vastly improved in terms of user experience.
If you cannot spare the disk space to store the blockchain, you can
enable pruning as in:
https://bitcoin.org/en/release/v0.11.0#block-file-pruning. In Bitcoin
Core 0.12, pruning being enabled will leave the wallet enabled.
Altogether this should require less than 1.5GB of hard disk space.
If you cannot spare the bandwidth to upload blocks to other nodes, there
are number of options to reduce or eliminate the bandwidth requirement
found in https://bitcoin.org/en/full-node#reduce-traffic . These include
limiting connections, bandwidth targetting and disabling listening.
Bitcoin Core 0.12 has the new option -blocksonly, where the node will
not download unconfirmed transaction and only download new blocks. This
more than halves the bandwidth usage at the expense of not seeing
unconfirmed transactions.
Synchronizing the blockchain for a new node has improved since 2012 too.
Features like headers-first
(https://bitcoin.org/en/release/v0.10.0#faster-synchronization) and
libsecp256k1 have greatly improved the initial synchronization time.
It can be further improved by setting -dbcache=6000 which keeps more of
the UTXO set in memory. It reduces the amount of time reading from disk
and therefore speeds up synchronization. Tests showed that the entire
blockchain can now be synchronized in less than 3 and a half hours
(See
https://github.com/bitcoin/bitcoin/pull/6954#issuecomment-154993958)
Note that you'll need Bitcoin Core 0.12 or later to get all these
efficiency improvements.
=== How to run a full node as your wallet ===
I think every moderate user of bitcoin would benefit by running a full
node and using it as their wallet. There are several ways to do this.
(https://bitcoinarmory.com/) or JoinMarket
(https://github.com/AdamISZ/JMBinary/#jmbinary)
Multibit connecting only to your node running at home, Electrum
connecting only to your own Electrum server)
So what are you waiting for? The benefits are many, the downsides are
not that bad. The more people do this, the more robust and healthy the
bitcoin ecosystem is.
original: http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-February/012435.html
submitted by dev_list_bot to bitcoin_devlist [link] [comments]

Coinapult Locks Electrum plugin demo #Bitcoin How to Use BitGo to Send or Receive #Altcoins USB Bitcoin Miner - The Power of 1000's Computers - YouTube How to Mine Bitcoins Using Your Own Computer - YouTube TBT Brivity Client Portal Video

Bitcoin network is a peer-to-peer payment network that operates on a cryptographic protocol. Users send and receive bitcoins, the units of currency, by broadcasting digitally signed messages to the network using bitcoin cryptocurrency wallet software.Transactions are recorded into a distributed, replicated public database known as the blockchain, with consensus achieved by a proof-of-work ... Bitcoin Core initial synchronization will take time and download a lot of data. You should make sure that you have enough bandwidth and storage for the full block chain size (over 350GB). If you have a good Internet connection, you can help strengthen the network by keeping your PC running with Bitcoin Core and port 8333 open. Read the full node guide for details. Bitcoin Core is a community ... Falls Sie eine gute Internetverbindung haben, können Sie dabei helfen, das Netzwerk zu stärken, indem Sie auf Ihrem PC Bitcoin Core - mit geöffneten Port 8333 - laufen lassen. Lesen Sie den Full Node-Guide für Details. Bitcoin Core ist ein gemeinschaftliches, freies Software-Projekt, veröffentlicht unter der MIT-Lizenz. Eine Transaktion wird erstellt, wenn eine Bitcoin-client auf einem personal computer, Smartphone, server, etc. erstellt und sendet eine neue Transaktion auf den rest des Bitcoin-Netzwerks. An diesem Punkt wird die Transaktion weitergegeben werden relativ schnell auf die (derzeit) mit 5.400 oder so Bitcoin-Knoten , aus denen sich das Bitcoin-Netzwerk, von denen ein gewisser Prozentsatz auch ... DigiBit - DigiByte port of MultiBit Wallet. Contribute to dgbholdings/digibit development by creating an account on GitHub.

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Coinapult Locks Electrum plugin demo

Choose your Bitcoin Wallet - An in-depth review of BitcoinQT, Electrum and Multibit - Duration: 27:32. Secure Your Wallet 24,297 views Easy Bitcoin Electrum Wallet/Client tutorial for beginners. 2014. - Duration: 14:10. ... Download the Multibit.org Bitcoin Wallet (subtítulos en español) - Duration: 5:35. Coin4ce.com ... Trading Bitcoin - What Will This Stock Crash At the Open Do to Bitcoin? ... 3 Steps to a best-in-class client portal - Duration: 45:39. ShareFile Recommended for you. 45:39. LIVE Small Account Day ... SUBSCRIBE FOR MORE HOW MUCH - http://shorturl.at/arBHL GekkoScience NewPac USB Miner - https://bit.ly/2RIQgdX GekkoScience 8 Port USB Hub - https://bit.ly/2x... TBT Brivity Client Portal Video ... Our advanced technology offers our clients transparent access to everything we are doing to get their home sold. Ensuring a level of service and accountability ...

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