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Suppose there exists Fancycoin, an ERC20 altcoin which has some functionality implemented by the EVM. It does some nontrivial things that take up gas.

According to my understanding, I can receive Fancycoin in my wallet if somebody sends it to me, without having any ether myself.

My question is: if I have Fancycoin and I want to use it to do something (maybe it checks an oracle, or does compututations with some data internal to a block, etc.) but I don't have any ether in my wallet, will I be unable to use any of the features of Fancycoin? As mentioned in the answer to the qurestion linked within the first comment below, I probably will not be able to send Fancycoin to someone else.) However, could functions in Fancycoin requiring gas be paid in Fancycoin somehow, and not ether?

Answering the above counts as an answer to my question, but in case you want to expand: I think most generally I'm interested in how coins built on top of Ethereum interact with ether. I don't understand this.

Suppose there exists Fancycoin, an ERC20 altcoin which has some functionality implemented by the EVM. It does some nontrivial things that take up gas.

According to my understanding, I can receive Fancycoin in my wallet if somebody sends it to me, without having any ether myself.

My question is: if I have Fancycoin and I want to use it to do something (maybe it checks an oracle, or does compututations with some data internal to a block, etc.) but I don't have any ether in my wallet, will I be unable to use any of the features of Fancycoin? As mentioned in the answer to the question linked within the first comment below, I probably will not be able to send Fancycoin to someone else.) However, could functions in Fancycoin requiring gas be paid in Fancycoin somehow, and not ether?

Answering the above counts as an answer to my question, but in case you want to expand: I think most generally I'm interested in how coins built on top of Ethereum interact with ether. I don't understand this.

Suppose there exists Fancycoin, an ERC20 altcoin which has some functionality implemented by the EVM. It does some nontrivial things that take up gas.

According to my understanding, I can receive Fancycoin in my wallet if somebody sends it to me, without having any ether myself.

My question is: if I have Fancycoin and I want to use it to do something (maybe it checks an oracle, or does compututations with some data internal to a block, etc.) but I don't have any ether in my wallet, will I be unable to use any of the features of Fancycoin? (As mentioned in the comment below, I probably not be able to send Fancycoin to someone else.) Could functions in Fancycoin requiring gas be paid in Fancycoin somehow, and not ether?

Answering the above counts as an answer to my question, but in case you want to expand: I think most generally I'm interested in how coins built on top of Ethereum interact with ether. I don't understand this.

Suppose there exists Fancycoin, an ERC20 altcoin which has some functionality implemented by the EVM. It does some nontrivial things that take up gas.

According to my understanding, I can receive Fancycoin in my wallet if somebody sends it to me, without having any ether myself.

My question is: if I have Fancycoin and I want to use it to do something (maybe it checks an oracle, or does compututations with some data internal to a block, etc.) but I don't have any ether in my wallet, will I be unable to use any of the features of Fancycoin? As mentioned in the answer to the qurestion linked within the first comment below, I probably will not be able to send Fancycoin to someone else.) However, could functions in Fancycoin requiring gas be paid in Fancycoin somehow, and not ether?

Answering the above counts as an answer to my question, but in case you want to expand: I think most generally I'm interested in how coins built on top of Ethereum interact with ether. I don't understand this.

Suppose there exists Fancycoin, an ERC20 altcoin which has some functionality implemented by the EVM. It does some nontrivial things that take up gas.

According to my understanding, I can receive Fancycoin in my wallet if somebody sends it to me, without having any ether myself.

My question is: if I have Fancycoin and I want to use it to do something (maybe it checks an oracle, or does compututations with some data internal to a block, etc.) but I don't have any ether in my wallet, will I be unable to use any of the features of Fancycoin? Will I even be able to send Fancycoin to someone else? Could functions in Fancycoin requiring gas be paid in Fancycoin somehow, and not ether?

Answering the above counts as an answer to my question, but in case you want to expand: I think most generally I'm interested in how coins built on top of Ethereum interact with ether. I don't understand this.

Suppose there exists Fancycoin, an ERC20 altcoin which has some functionality implemented by the EVM. It does some nontrivial things that take up gas.

According to my understanding, I can receive Fancycoin in my wallet if somebody sends it to me, without having any ether myself.

My question is: if I have Fancycoin and I want to use it to do something (maybe it checks an oracle, or does compututations with some data internal to a block, etc.) but I don't have any ether in my wallet, will I be unable to use any of the features of Fancycoin? (As mentioned in the comment below, I probably not be able to send Fancycoin to someone else.) Could functions in Fancycoin requiring gas be paid in Fancycoin somehow, and not ether?

Answering the above counts as an answer to my question, but in case you want to expand: I think most generally I'm interested in how coins built on top of Ethereum interact with ether. I don't understand this.