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Author Topic: Crypto Sportz - Smart Contract Betting Using Ethereum  (Read 881 times)
CryptoSportz (OP)
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March 16, 2018, 01:57:55 PM
Last edit: September 01, 2018, 12:02:39 AM by CryptoSportz
 #1

Facebook | Twitter | Telegram | Medium | Github

https://i.imgur.com/VfIpgR6.jpg

Decentralized blockchain-powered platform

The first blockchain platform to power sports bets via Ethereum smart contracts.

• No book
• No accounts
• No odds

Just P2P bets between fans of sports and crypto.



https://i.imgur.com/QeiuQZv.png

Ethereum Sports Bets
For Sports and Crypto Fans


Smart Contract
With Open, Provably Fair Outcomes


Decentralized APP
No Signups, No Deposits, Just Fun!


https://i.imgur.com/cKM1SO3.png

Crypto Sportz is a fun way to support your favourite team and challenge your friends to make the game more interesting while learning how to use blockchain technology.

• Traditionally, sports betting is done on confusing websites with lots of unnecessary gimmicks designed to maximize how much money users lose to “the house”

• Crypto Sportz operates autonomously on the Ethereum network and only assists users in making peer-to-peer transactions, which means fans bet each other just like they would as a wager between friends

• It is an autonomous set of code living on the Ethereum network. There are no accounts, wallets, or books

• In a peer-to-peer format, fans are able to pick the score of a game, predict a winner and play other exciting game formats

• Everything happens entirely on the blockchain, all the transfers and winnings never leave the Ethereum network and are sent right back to your wallet when the game results are validated

• No one can control or interfere with your bets and you are no longer constrained by geographic restrictions, your credit card company or a bad bookie.

• The Ethereum powered by blockchain technology is going to do everything. All you need to do is enjoy the game.




BECOME A CAPTAIN

Captains are people who are influencers and can drive lots of players to play and wager each other using Crypto Sportz. When you share your custom link you will receive 1% from ticket sales from every person that used your link to get to Crypto Sportz.

HOW DOES IT WORK?
Every time someone you referred buys a ticket, you will receive 20% of the fees we collect right in your wallet. Not to mention, the more players wagering on a game, the greater the grand prize.

For further information. Click here
https://i.imgur.com/9v2XOdk.gif
cheefbuza
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March 16, 2018, 02:48:45 PM
Last edit: March 17, 2018, 09:28:54 PM by cheefbuza
 #2

CryptoSportz could use some help on the Bitcointalk forums, help us spread the word.
Every person counts, every person can make a huge influence and bring CryptoSportz to the next level. Any help would be very appreciated and helpful.


For Newbie
Code:
[center]CryptoSportz.com[/center]

For Jr.Member
Code:
[center][url=https://bitcointalk.org/index.php?topic=3040228]CryptoSportz[/url][/center]
For Member
Code:
[center][url=https://bitcointalk.org/index.php?topic=3040228][font=arial black][color=green][b]CryptoSportz[/b]  |  Smart Contract [/color][color=black]Betting[/color][color=green] Using Ethereum[/color][/font][/url]
[font=arial black][url=https://bitcointalk.org/index.php?topic=3040228]ANN[/url]    |    [url=https://cryptosportz.com/]WEB[/url]    |    [url=https://t.me/cryptosportzofficial]TELEGRAM[/url][/font][/center]

For Full Member and above!
Code:
[center][url=https://bitcointalk.org/index.php?topic=3040228][font=arial black][color=green]▄█▀ [b]CryptoSportz[/b]  [/color][color=black]|[/color][color=green]  Smart Contract [/color][color=black]Betting [/color][color=green]SPORT  [/color][color=black]Using [/color][color=green]Ethereum  ▀█▄[/color][/font][/url]
[font=arial black][url=https://bitcointalk.org/index.php?topic=3040228]ANN[/url]   |   [url=https://www.cryptosportz.com]WEB[/url]   |   [url=https://twitter.com/cryptosportz]TWITTER[/url]   |   [url=https://www.facebook.com/cryptosportz/]FB[/url]   |   [url=https://t.me/cryptosportzofficial]TELEGRAM[/url][/font][/center]



As being part of Crypto Sportz and a person who experienced the whole process on the platform. I can say gladly I'm amazed how unique this platform is without any sign ups or verifications problem only betting directly through your wallet and getting your money back to your wallet. Great hard work supportive team with a huge vision to keep up and bring new things every time and bringing the best of the most. This has a lot of unfulfilled potentials and only need to be exposed and increase their traffic by showing themselves to a huge audience. Wishing CryptoSportz the best and proving how success looks like.
CryptoSportz (OP)
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March 17, 2018, 08:31:10 PM
 #3

PRESS RELEASE 🤹🏼‍♂️
https://goo.gl/u892qX
https://goo.gl/bFsy47
https://goo.gl/J8diJi
bbc.reporter
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March 18, 2018, 01:05:39 AM
 #4

Before we put money in your dapp, can you assure us that it is safe and that the code was audited? I read an article that there are about 34,200, more or less, smart contracts and dapps created in Ethereum that are not safe to send funds into.

I reckon we should encourage everyone to start becoming more vigilant and not use dapps without doing any research.



There are hundreds of thousands of similar smart contracts on Ethereum that control wallets, tokens and applications, or hold funds. Now, researchers say they’ve devised a new approach for finding vulnerabilities in smart contracts that would have exposed the flaw DevOps199 exploited before it was too late. Even more, the researchers say they’ve discovered an additional 34,200 vulnerable smart contracts. A sample of roughly 3,000 vulnerable contracts that the team verified could be exploited to steal roughly $6 million worth of ether, Ethereum’s in-house cryptocurrency, they said.

Read the full article https://motherboard.vice.com/en_us/article/8xddka/millions-of-dollars-in-ethereum-are-vulnerable-to-hackers-right-now-smart-contract-bugs

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.DuelbitsSPORTS.
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CryptoSportz (OP)
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March 19, 2018, 04:52:57 PM
 #5

That's a fantastic question and obviously very valid from both a security standpoint as well as general credibility.

Here are a few things that we have done to date.
A) We are constantly keeping an eye on the latest exploits in smart contracts and are aware of all the current vulnerabilities. To say that we are safe from some new future hack would be a lie but then again that hack will most likely be used to exploit far bigger contracts than ours.
B) We have put the contract out in the open for all to see. It is located here as well as in the footer of our website https://github.com/cryptosportz/cryptosportz
C) We have invited people to come and play with / hack the contract. Not a lot of hacking was done but people did suggest certain improvements, relevant and otherwise. https://www.reddit.com/r/ethdev/comments/7ww0xb/any_sports_fans_interested_in_helping_test/

We are about a week away from launching a revamped version of the contract that includes additional game types such as survival and more, which we'll also open source and seek feedback from the community on. Hope this answers your questions. Please join us in our Telegram group if you have any other concerns or questions.

BillCoin
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March 19, 2018, 05:58:38 PM
 #6

Wouldn't suggest anybody to use the system as the code seems to be written by an amateur.

I can't say that the system is broken or something like that, all I can tell that there are chances that there is a breech in the contract code and you may result sending your ETH tokens to the space.
Anyway, the system is still not usable and more contributors are needed, the idea is cool but there are already bunch of projects that do the same thing, they all failed at the level of getting more users to bet.
CryptoSportz (OP)
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March 20, 2018, 08:12:21 PM
 #7

You're a senior member and we want to respect your opinion so hope that we can understand it better. Point by point is probably the best way to have a decent dialogue going...

  • Which aspects of the code do you find to be amateurish, and where / what suggestions would you recommend? Trying not to take offence to these words and want to understand where you're coming from because perhaps there is indeed something somewhere that we messed up and we are happy to fix it as our goal is to create the best possible platform. In fact we would be happy to compensate you for a proper code review. Feel free to PM with a price or post it here. Your feedback has to be constructive and indeed prove that our work is as you say "amateur".
  • The contract is actually quite simple and from all the generally known vulnerabilities we are pretty well covered. But again, happy to hear your suggestions.
  • The system is 100% usable and we've had almost 4ETH in bets already take place. Given that most bets are in the region of 0.005 to 0.01 ETH we would say that these are great stats for a project with no marketing budget, no coin, no affiliate partnerships, etc. We personally welcome you to try and place a bet on a team or sport that you enjoy so that you can understand the ease of use that we created for people to support their teams and make the experience of watching a game more enjoyable. All it takes is MetaMask and a few clicks (or Toshi on mobile). Bet up to 0.1ETh and we will personally pay you back if you lose. Just post the tx details here. Want to make sure you understand what you're knocking down and happy to spend 0.1ETH to do so.
  • The idea is indeed cool. Thank you for saying that. Please show us any other example of a Dapp out there that requires no account signups, no funding of an account, is completely peer to peer, has an open source contract contract that uses http://www.oraclize.it/, etc. etc. You are partially correct in that there are traditional bookie services that accept crypto out there. That is NOT what we do. We've only seen one or two tiny attempts to do what we do, which is autonomous contract betting and none have done it to the level of quality of what we do - even if that level isn't, in your opinion, a high one.
  • Last but not least, check out a few websites by the name of Etheroll, vDice, Smart Billions and others that clearly demonstrate that there is a huge market for smart contract, decentralized betting experiences. The challenge, as always is reaching those users. We are trying to reach them through this post. Comments like yours (when aren't made in full fairness or with the entire picture in mind) make our job so much harder. I hope you reconsider some of them or at least take a second look.


We genuinely look forward to your thoughts, please keep the open dialogue coming.
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March 21, 2018, 10:17:46 AM
 #8

Champions League Quarter Final games are going live on Crypto Sportz.
cheefbuza
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March 31, 2018, 07:42:02 PM
 #9

Another big match, Crypto Sportz is the solution for everyone! Smiley
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April 01, 2018, 02:11:04 AM
 #10

That's a fantastic question and obviously very valid from both a security standpoint as well as general credibility.

Here are a few things that we have done to date.
A) We are constantly keeping an eye on the latest exploits in smart contracts and are aware of all the current vulnerabilities. To say that we are safe from some new future hack would be a lie but then again that hack will most likely be used to exploit far bigger contracts than ours.
B) We have put the contract out in the open for all to see. It is located here as well as in the footer of our website https://github.com/cryptosportz/cryptosportz
C) We have invited people to come and play with / hack the contract. Not a lot of hacking was done but people did suggest certain improvements, relevant and otherwise. https://www.reddit.com/r/ethdev/comments/7ww0xb/any_sports_fans_interested_in_helping_test/

We are about a week away from launching a revamped version of the contract that includes additional game types such as survival and more, which we'll also open source and seek feedback from the community on. Hope this answers your questions. Please join us in our Telegram group if you have any other concerns or questions.



Thank you. But can I ask why your team decided to use Ethereum? What would the difference be if you chose the immutable version of Ethereum, Ethereum Classic? I reckon not too much.

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.DuelbitsSPORTS.
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10%   CASHBACK   
          100%   MULTICHARGER   
CryptoSportz (OP)
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April 02, 2018, 04:00:18 PM
 #11

The main strategy was to "fish where the fish are" which is just a fancy way of saying that ETH is where the majority of adoption and activity is. There are lots of options, EOS is also a good example of where we could have built it... but we just wanted to be where the user-base is.
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April 03, 2018, 11:48:28 AM
Last edit: April 03, 2018, 12:01:28 PM by brickafterbrickwalldpt
 #12

Honestly, I have never used a service like this before. I finally had a chance to spend some of my Ethereum and I don't regret it. I had to install MetaMask in order to use your service but it wasn't difficult at all. I have to admit that everything is easy to use and complete newbie shouldn't have any problems with using your service. I really like the quick amounts - they are reasonable and even if someone would like to adjust the value, it is very easy to do it. Website looks great, I really like dark themes. User interface is simple and looks prety good. Making a bet takes less than a minute! All you have to do is select the game, choose which team you think will win, type in the amount or select from the quick amounts that I mentioned before and... send Ethereum! Let's see if I will win the bet, I will update my review after the match.

You should consider adding "Contact" tab. I noticed Telegram invitation link after a few minutes. You should at least provide an e-mail address or make the invitation link more visible.

HODLER Open Source Multi-Asset Wallet infrastructure test with $2000 worth of bitcoin for the participants. Read more here: https://bitcointalk.org/index.php?topic=5032817.msg46184177#msg46184177
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April 03, 2018, 03:04:07 PM
 #13

As i have not seen anything like this before, and i see a very big potential on it, i have decided to give it a try!

First of all, i enjoy very much how clean and simple your website UI is! Also using Metamask for your site, was a very good decision because it is user friendly, easy to use and secure. Placing bet was also an very simple process, you just choose the game which you want to bet on, then the team (or draw). Then you enter the sum which you want to bet. Big props for the "Quick Amounts" as these make the betting alot easier.

However here are some points, which i'd like improvements on as the site is still new and probably not developed according to user feedback as of yet:

  • Multiplier at the time should be shown on the bet page on each team
  • The site should have some games like CS:GO, Dota 2, Starcraft 2 and LoL for gamers as well.
  • Live support, in case something happens with the bet

So far i really like the idea, and how you guys have made it so simple!
Cheers! Grin

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April 03, 2018, 05:15:46 PM
 #14

I just gave it a try to experience how it works, and I liked the user-friendliness of the the site. And the UI is quite simple but attractive.
I'm not sure if it is done for such kind of sites or not, but I just feel having a Chat section for users would be nice as the option for creating nicknames is already in there. So that people can visit the site for betting on games and meanwhile they can discuss about them in the chat with their chosen usernames. That would be more fun IMO.

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April 03, 2018, 05:35:55 PM
 #15

How to use?
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Join the world-leading crypto sportsbook NOW!


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April 03, 2018, 08:04:31 PM
 #16

This casino project is pretty nice. It looks a lot like current icos, but instead of offering a coin it offers the product for the already existing and used ethereum platform. I have already seen casinos with smart contract systems (like vdice, for example), but the fees and minimum bets in such casinos tend to be rather high (to justify the whole use of smart contract technology, I guess). It's a shame the op doesn't state the official website, though.
The website has understandable easy-to-use interface and I believe the min bet is 0.01 eth, which might be too much when eth's price is normal, but considering the current market state is actually pretty reasonable.
However, I think what lacks here is some faucet or 'play for fun' free mode to test it out.

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April 03, 2018, 10:44:58 PM
 #17

As an experienced past gambler it was interesting to try new platform based on blockchain.
Things that I've liked: the introduction video (pleasant voice without annoying to make more bets and win millions), connection with metamask (very convenient), user-friendly interface and colors.
Things that I would like to see: the probability percentage of win/lost/draw, more options like "bet on the exact score", or "a player who will make a first goal".
Also I was fan of tennis express bets (when you make bets on 10-15 games and the coefficients multiply, it's very excitable), and of box and mma and it would be great see this disciplines also.
And the cherry on the cake could be celebrity-political bets, it is always very fun.
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April 04, 2018, 01:25:49 AM
 #18

Wouldn't suggest anybody to use the system as the code seems to be written by an amateur.

I can't say that the system is broken or something like that, all I can tell that there are chances that there is a breech in the contract code and you may result sending your ETH tokens to the space.
Anyway, the system is still not usable and more contributors are needed, the idea is cool but there are already bunch of projects that do the same thing, they all failed at the level of getting more users to bet.


That and making a centralized service by combining Directbet and Betmoose would have been a better way to create it in my opinion.

But in any case, I am still interested in seeing more dapps compete with their centralized counterparts and find out what's cheaper to run.

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.DuelbitsSPORTS.
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OFFICIAL EUROPEAN
BETTING PARTNER OF
ASTON VILLA FC
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10%   CASHBACK   
          100%   MULTICHARGER   
JamesWin
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April 04, 2018, 01:30:10 AM
 #19

I appreciate your efforts. A good project.
DevelopmentBank
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April 04, 2018, 03:21:56 AM
 #20

First thing you'll notice about Crypto Sportz is the amazing user interface. I absolutely loved how simple it was to navigate and used. I placed a 0.005 bet even without knowing the teams because i simply wanted to try and see what the user interface would do next. Just one observation tho, the dapp doesn't differentiate between ETH main-net and test net. I forgot i was on the ropsten test net and it still accepted my bet regardless without notification. Thats it but overall, great job to the team behind this!
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