Telegram community is very important place in every project because investors and hunters both of can communicate through telegram. If your any concern they ignored or banned you than it's something suspicious and if they promised broken or delay to explore project update i think those type of enough to detect fraud or scam project.
Reading useless questions is boring on various telegram broadcast channels but there is no another way around to clear all that doubts. New investors flow to the twitter and telegram with the meaningless, same type of questions that answered a thousand times. 
Topic: When Do you realize a Crypto project is scam or Fraud? - page 7. (Read 7822 times)
Personally, I observe the social media activities and Telegram community also. Scam projects always ban or delete criticism chats. I also check if they liedabout their partnerships cause some project will upload fake partners just to attract investors.
I am a member of many bounty companies and have repeatedly been deceived by unscrupulous people. In most cases, I understand that the disappearance of the official groups of the company's telegrams, as well as the official websites of the company, is the real evidence of a fraudulent project.
Telegram community is very important place in every project because investors and hunters both of can communicate through telegram. If your any concern they ignored or banned you than it's something suspicious and if they promised broken or delay to explore project update i think those type of enough to detect fraud or scam project.
At a point the team start given excuses to abide by what they promised to do or stop communicating with the community then I can sense the project is scam. How do you determine a project is gone bad and won't fulfil it promise? What criteria do you use ? or you wait for years thinking all will be well ?
Actually there are a lot of signs they are becoming a scam, seen when their team starts rarely active, does not provide clarity on the future of their project, rarely responds to investor questions at ANN Thread, most of that signs are visible when the end of the time of ICO
Its quite difficult to realise a crypto project which is a scam or fraud however, there are some signs to pinpoint whether the project is scam. These are the inactiveness of the project and no progress of the project.
There are many factors which depict that a project is scam -
1) Their telegram gets abandoned or the admins leave the group
2) their websie stops working and the server goes down
3) The coins/tokens get transferered form the projects' address to an exchange to dump everything
4) They stop posting on their social media and stop goiving more updates.
5) Your questions do not get answered by the admins
6) BitcoinTalk stops getting replies and stops getting updated.
and much more, bsaically the team does not considers the project and do not work more , most probably the project dies.
If you try to talk to the team in linkedin then they do not reply your messages.
1) Their telegram gets abandoned or the admins leave the group
2) their websie stops working and the server goes down
3) The coins/tokens get transferered form the projects' address to an exchange to dump everything
4) They stop posting on their social media and stop goiving more updates.
5) Your questions do not get answered by the admins
6) BitcoinTalk stops getting replies and stops getting updated.
and much more, bsaically the team does not considers the project and do not work more , most probably the project dies.
If you try to talk to the team in linkedin then they do not reply your messages.
At a point the team start given excuses to abide by what they promised to do or stop communicating with the community then I can sense the project is scam. How do you determine a project is gone bad and won't fulfil it promise? What criteria do you use ? or you wait for years thinking all will be well ?
Actually there are a lot of signs they are becoming a scam, seen when their team starts rarely active, does not provide clarity on the future of their project, rarely responds to investor questions at ANN Thread, most of that signs are visible when the end of the time of ICO 
Their telegram was abandoned by the team and admin.
They are not answering any query on their page.
They just send all the tokens and leave the project alone.
They are not answering any query on their page.
They just send all the tokens and leave the project alone.
If there are no more updates and informations it is for me a clear sign of scam or fraud. Also when the project team is promising many things and nothing happened.
I think the easiest way to know is when the project team stops communicating, but by that time, it would have been too late, investors would have dropped their money while hunter would have promoted the coin for long. We have to make sure it doesn’t get to that stage before discerning them by researching on them.
Usually it's too late, yes. When they stop communication the translations are already ready, social media campaigns are already running and people are already waiting to receive their first payments. It's very frustrating because there are many people working and they receive nothing for that.It takes time to advertise and especially to make translations, it's a total lack of respect from these irresponsible developers.
At a point the team start given excuses to abide by what they promised to do or stop communicating with the community then I can sense the project is scam. How do you determine a project is gone bad and won't fulfil it promise? What criteria do you use ? or you wait for years thinking all will be well ?
You can look at their github repository. If no new changes occurred within the past 2 months, the team is probably preparing for an exit scam. Also you can check random paragraphs in the net to check if the owner is legit and is not plagiarizing. 
I see from the work of the team that began to stop providing information, And the worst thing on social media is that it cannot be accessed again, one of the characteristics of the project is to show fraud..
Not all projects in cryptocurrency is a scam or frauds you just not do research and reviews about the project so you have been scammed by those scammers ,and i only promote and go in the legit projects that can bring me a lot of investments and this project is the Dencoin tokens.
If the team was gone and delete their telegram. No update from official Socmed like Facebook or Twitter, not giving us community the progress about the project.
Not answer questions from community etc.
Not answer questions from community etc.
I realized when the project was completed and the team had no clarity on which exchange, when was the roadmap, when there was a development. if some of these things you never get, the project is a scam and should be avoided.
At a point the team start given excuses to abide by what they promised to do or stop communicating with the community then I can sense the project is scam. How do you determine a project is gone bad and won't fulfil it promise? What criteria do you use ? or you wait for years thinking all will be well ?
When there is something wrong in that project, such as no milestone achievements, or too many delays.
At this point, im afraid to continue holding the the token. Better to sell it and change my investment.
At a point the team start given excuses to abide by what they promised to do or stop communicating with the community then I can sense the project is scam. How do you determine a project is gone bad and won't fulfil it promise? What criteria do you use ? or you wait for years thinking all will be well ?
Most of the things You mentioned here are all the signs that a project is a scam project, it now depends on the level of patient that will make the participant accept it finally. For me, the moment I even see that the team is not transparent about their identity and if something looks fishy about their linked in page, then I just see them and a scam project which I avoid like plague. I think the easiest way to know is when the project team stops communicating, but by that time, it would have been too late, investors would have dropped their money while hunter would have promoted the coin for long. We have to make sure it doesn’t get to that stage before discerning them by researching on them.
I am guided primarily by fulfilled promises. If the project follows its roadmap without any problems, without delay and fraud, then the project can be trusted.
One of the key things to look out for is inability to implement structures based on the white paper. Another key indication is when unnecessary excuses are continuously being made. Inactivity of the forum can also be a good pointer.
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