What is blockchain?

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1. I dont understand. Isn´t that just renaiming everything for havin in the end one and the same thing. You basically exchange your bank into a broker or software provider who provides the software and interfaces to connect me to the right person I want to make an interaction with. However the money is still digital and is available on the software which somehow makes the software company the immidiate holder of my wealth and therefore could just be called the third party or bank which we just exchanged it for. And we choose our software provider based on their reputation and fees because they will charge for transactions. The digital currency has to be held by this third party because havin my money on an USB stick or my mobile would be too unsafe and we can see that within the current bitcoin!! The third party has to ensure and savekeep. So you can just stay where we are and call it a bank! or did I disregard something?
2. Great video. In case anyone is looking for a more in-depth guide. We just released this. http://blockgeeks.com/guides/what-is-blockchain-technology-a-step-by-step-guide-than-anyone-can-understand/
3. Using math and cryptography? That doesn't sound revolutionary at all.
4. If information about my money transactions are kept in a blockchain which can potentially be seen by many other people in the public, then there is no privacy.
5. "POTENTIALLY" more securely... one word that made me stop listening to blockchain
6. Blockchain is exactly what governments are looking for.
7. I have read, or heard, a lot of presentations on blockchain technology, but I don't think any of them have dealt with an obvious problem: the durability of records. Blockchain is being touted as a technology suitable for recording legal rights and transactions such as land ownership, patents, and copyright, but for these purposes, and many others, records need to be available and verifiable for as long as any dispute may arise, which could be many decades. So how does blockchain technology deal with this? If records only exist in decentralised computer memories, they will only last as long as a sufficient number of people choose to keep them updated. Why should they? What is the financial incentive? If there is one, what guarantee is there that it will last more than a few years?
8. Pretty awful explanation. Felt more like an advertisement for the technology rather than an explanation of it.
9. still just slaves
10. %50 of UK population been in fraud and crimes is 10x times higher most of them are british,pakistani and indian time to change http://tv.bt.com/tv/tv-news/fraud-how-they-steal-your-id-detectives-hunted-down-an-elusive-fraudster-who-stole-tens-of-thousands-from-unsuspecting-brits-11364066068873
    
    https://www.theguardian.com/tv-and-radio/2016/jun/03/friday-best-tv-deepcut-army-shame-fraud-uk-best-part-time-band
    
    if anyone wants to watch it and how the criminals frauding us watch it on itv player.
    
    Bitcoin is the next generation, but even though i still think banks will stay and we have to life with it
11. idiotic blockhain and showing bitcoin logo how gizzy is that
12. This is unintentionally scary! Your cash, ownership records, vote, and other vital documents could all be wiped (or stolen) out in a flash.
13. How do you imagine blockchain could be used to collect taxes as you indicated in your video? That would be voluntary taxation then, I suppose? Given that the technology is inherently anonymous, I mean.
14. Very unclear and unsatisfactory explanation.
15. What is Bitcoin?
16. I think they mean Bitcoin.
17. Everyone should use bitcoin to help bring down the bankers :-)