How secure can a cryptocurrency be without transaction fees and block rewards?

For years now, we have believed that transaction fees and block rewards are the incentives for users to keep the network secure from attacks.But now there are some cryptos (released and unreleased) which do not have transaction fees or block rewards or inflation. This fundamental change questions our very basic preconceptions about cryptocurrencies. Let's have a healthy discussion on this without being biased. via /r/CryptoCurrency https://ift.tt/2q2wgFZ For years now, we have believed that transaction fees and block rewards are the incentives for users to keep the network secure from attacks.But now there are some cryptos (released and unreleased) which do not have transaction fees or block rewards or inflation. This fundamental change questions our very basic preconceptions about cryptocurrencies. Let's have a healthy discussion on this without being biased.

For years now, we have believed that transaction fees and block rewards are the incentives for users to keep the network secure from attacks.But now there are some cryptos (released and unreleased) which do not have transaction fees or block rewards or inflation. This fundamental change questions our very basic preconceptions about cryptocurrencies. Let's have a healthy discussion on this without being biased.