There are legitimate concerns about security on Ethereum. With such a complex system, and so many different programs running on it, the attack surface is large. And given the challenges the community faces in migrating to Ethereum 2.0, including a new proof-of-stake consensus mechanism and a sharding solution for scaling transactions, it’s still not assured it will ever be ready for prime time.
The PTC websites will have a community of members(users) like you who work to click and earn money. When advertisers purchase ads, it will be displayed on the PTC sites in the view ads page, where the members can click the ads to earn money. The more ads they click, the more you can earn. This is the process of Online Ad clicking jobs or Pay per click jobs.
Ethereum trading is the fastest way to earn Ethereum, but there is a high risk for beginners. Similar to other investment platforms, many scammers target the Ethereum to scam innocent people. Unlike real currencies, if the digital currencies are sent to an address, it is gone. We cannot track or cancel the blockchain transactions. So, be careful not to invest ETH in unknown new sites that promise high numbers.
Gold has had at least three millennia to establish itself as a store of value people turn to when social systems are in stress. Bitcoin has only existed for 11 years. While plenty of investors are willing to speculate on the possibility bitcoin might supplant or compete with gold, the idea is far from ingrained across society. When will it be more widely accepted? Perhaps when the international crisis of global leadership unleashed by COVID-19 undermines the capacity of institutions like the Federal Reserve to sustain economic and social confidence. Whatever new institutions and systems we create going forward will need to address how the internet has upended society’s centralized systems of governance. When that happens, we’ll need a decentralized, digital reserve asset as the base value layer. As I said, it will take time. Meanwhile, the developers will keep building.