It is necessary to use ERC1820 as ERC777 requires it ---> https://eips.ethereum.org/EIPS/eip-777.
ERC644 is fully independent from ERC777.  Our blockchain dev was able to integrate it bringing the capability of upgradeability to CALL's smart contract which in this new world of smart contracts and tokens, makes ours a true game-changer.  Read more here ---> https://gcalliance.io/call-token/.

No worries here. ERC777 is backwards-compatible with ERC20 so it can be supported by all exchanges without issue.

ERC1820 defines a universal registry smart contract that is required by ERC777.
ERC644 provides the upgradeability for CALL's smart contract; it is completely independent of the other two standards.

This is actually the beauty of the reward system...

Writers use their credits to *boost* their ranking and earn priority to have articles published to earn more credits rather than cashing them out into CALL (it isn't a one-and-done upvote - this will be more of a staking process).

Readers *have a chance* to earn credits for reading due to limits that will be imposed for each article.  A kind of staking of CALL will be implemented to earn priority on getting to the articles first.

Sponsored articles will be more of a supplemental revenue for GCA, of which we will use a percentage to buy back CALL tokens from the open market (at undisclosed times).  

Since writers can still read (last time I checked, haha) this is the beauty of the reputation competitions because authors of articles can read other authors' content and get rewarded. It's a beautiful cycle for all users to compete and stake their CALL to create and consume the best, most authentic, genuine, popular, and trending content in order to earn more.  Nobody enjoys fake news or the manipulation and frankly, I think most are pretty tired of it.

GCNews.io and its reward system will be one where news & content will be valued by the writers and readers in the same breath, instead of traditional news outlets where the value is focused into the ads and sponsored articles.  With our reward system, the public market gets the power to value the content.  The more writers, the more publications, the more readers, the more awareness, and inevitably the more advertisements and other news publishers will come knocking - and even then... GCA will be utilizing a buy-back-mechanism (again, at undisclosed times) with a percentage of that revenue so that CALL token holders get the most benefits as possible from their holdings.

And I'll add one more thing here... with how data can be shared between ERC777-based smart contracts when transacting with CALL token and its Batch Transfer Capability, take a moment and imagine what kind of additional use cases could come about.

And none of the above is even considering all the competitions that we will host, which require CALL to vote and participate!  It truly is a WIN-WIN-WIN.

...and now you can check out our Launchpad to get a head start and really get in on the ground floor!  Haha cheers!
https://p2pb2b.io/token-sale/CALL/1

(MUST HAVE CALL to get more credits; credits interchangeable with CALL)

This is only the first session.  We are running two sessions.  The second one will be from 20th of Nov to 28th of November.

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The reward system MVP will work following the IEO.
The users will actually moderate the news by means of CALL token, the literal first of its ERC777 kind. With CALL token, the public market will actually have a way to value editorials and news publications rather than being subjected to influence or clickbait posts, effectively weeding out the fake news and bringing in quality content.  Inherent competitions for writers will naturally be created to provide the most authentic and well-written material for consumption to earn more CALL token, and for readers to be the first to earn CALL by acknowledging the content.

Also, (adding even more utility) projects' communities are going to be able to compete in monthly voting competitions (1 CALL = 1 vote) to win marketing campaigns and a free exchange listing, which will also help with deeper due diligence of projects.

Right now, you have an opportunity to get in on the ground floor at https://p2pb2b.io/token-sale/CALL/1 before the demand comes on Nov 29.  Cheers!

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It addresses the security issues that were in ERC20 tokens by providing higher level of control for holders giving them the option to choose who to transact with.

Features user-authorized operators that facilitate automatic/ recurring payments (great for subscriptions).

It provides Dapp-friendly features that allow more data to flow between smart contracts cost-effectively and efficiently compared to ERC20 tokens, which is actually a true game-changer in the world of tokens.  In our particular case, those that we’re having developed for various functions of our reward system and voting competitions will be able to communicate with each other nicely.

This one doesn't have to do with ERC777, but it's definitely worth noting: our blockchain dev was actually able to construct CALL's smart contract with the ERC644 protocol as well, which provides the capability of upgradeability without the need for a token swap. I think yet another game-changer in the world of tokens.

Thank you for the opportunity to allow me to explain, really appreciate it!

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Hello.  Yes, I'm here.  Sorry for the delay, but I'll be honest... I hadn't been active here on BCT for quite awhile.
Anyway, what are your questions?  I'd be happy to clarify things for you.

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Yup, that pretty well sums it up in a nutshell.  We have folks who are experts in business dev, web dev, blockchain dev, building relationships, coordinating & communicating, and marketing.
It may take a little bit of time to address everything from everybody, but we try our best to be diligent in providing answers to most questions in as many social media outlets as possible.
Thank you for your support!

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Short of presenting to you in person, the only way I can attempt to reassure you is in my writing, and taking the time to acknowledge and show you how we are as legit and decentralized of a crypto-based organization as they come.  I have personally invested a tremendous amount of time and effort in helping my team iron out the details of our business model and concept - and being the Chief Communications Officer of Global Crypto Alliance - I hope that this message helps reinforce a positive perspective for everybody on what we're doing; literally providing a way for the public market to value their news with our first product, GCNews.io.

We have also not ran *strong advertising campaigns* simply because we unfortunately don't have the amount of funds that would be necessary to do so. We are not a project blowing smoke with empty promises, rather we used what funds we had on actual developments and are fundraising now to (as we mention in our IEO Launchpad - https://p2pb2b.io/token-sale/CALL/1) finance these final stages of development and start to market our platform that has a growing user base of 6000+. 

As you may have noticed, we opened up registrations for writers (https://globalcryptonews.io/writer-application/) who are interested in contributing to this next level of crypto(graphic) news & content. Our reward system will create inherent competitions between both content creators and consumers by means of CALL token.  There are also several other competitions that are sure to attract many communities of projects to hold CALL tokens and use them to vote (1 CALL = 1 vote) for their favorite projects for a chance to win marketing campaigns and a free exchange listing on P2PB2B.

Thank you for taking time to read this message and on behalf of GCA, thank you for your support!  Cheers!