Any signature campaigns that actually pay in prominent altcoins like Litecoin, Eth, Dash or similar top alts that are high on market cap?
Some signature campaign will be ready to pay bitcoin and upcoming coins ICO tokens in the market cap list will be also distributed along with the bitcoins you receive weekly. If you wish to get the ICO tokens specially you have to go with the altcoin ICO campaigns.
I did not any campaigns gives you Ethereum, LTC or other top coins as a payment.