Problem: we want queries to our entities to eagerly fetch only the fields that we need in the given context (for example to show in a specific UI data table). Requirement: our solution must be able to accept dynamic filter compositions. Possible solutions: Named Entity Graphs from the JPA standard or Projections mechanism from Spring Data. Lets research them!

In the past months we could hear many controversies surrounding an upcoming coin developed by FutureNet called FuturoCoin. FutureNet is a social network and Multi Level Marketing (MLM) platform. Most of the cryto-community didn't take them seriously and ware expecting another DasCoin - a coin which had little do to with the term 'cryptocurrency' but was heavily marketed as such using MLM. Both FutureNet and the creators of DasCoin (Netleaders) are under investigation by the Polish government under the suspicion of being a ponzi-scheme. The fact that FutureNet promoted their FuturoCoin without even publishing a whitepaper also didn't help. Now that they finally have one and also published their source code we can see what this coin really is.

If you're interested in Bitcoin, Ethereum, etc. then you're probably tempted by ads with mining equipment or cloud mining contracts. Many of them promise you substantial passive profits and a fast return of investment under one year. Can it really be this easy? Here at WALCZAK.IT we experiment heavily with cryptocurrencies and we've also build our behemoth of a rig which mines three totally different coins at once. We've experienced firsthand that cryptocurrency mining is not trivial, nor is it passive or risk-free. Here are some cons you should consider before investing into it.