user51308: I don't know if this is the best place to ask this, but I've been reading about an interesting cryptocurrency called IOTA which doesn't use a blockchain exactly but instead uses a directed acyclic graph.
https://www.iotatoken.com/IOTA_Whitepaper.pdf
There also are no dedicated miners, but instead you have to validate other transactions in order to make transactions.  My question is the following:
If there are no dedicated miners, couldn't you get 51% of the computing power simply by making 51% of the transactions? And if so, isn't this a really big problem for the security of it?

user5490: You still have to include some PoW for every transaction you submit and verify 2 older transactions this way. So everybody is sort of a small miner.

51308: <p>I don't know if this is the best place to ask this, but I've been reading about an interesting cryptocurrency called IOTA which doesn't use a blockchain exactly but instead uses a directed acyclic graph.
<a href="https://www.iotatoken.com/IOTA_Whitepaper.pdf" rel="nofollow noreferrer">https://www.iotatoken.com/IOTA_Whitepaper.pdf</a></p>

<p>There also are no dedicated miners, but instead you have to validate other transactions in order to make transactions.  My question is the following:</p>

<p>If there are no dedicated miners, couldn't you get 51% of the computing power simply by making 51% of the transactions? And if so, isn't this a really big problem for the security of it?</p>
 5490: <p>You still have to include some PoW for every transaction you submit and verify 2 older transactions this way. So everybody is sort of a small miner.</p>
