What are the Technical Means the State Prepare for the Regulation of the Cryptocurrencies?

The technology of BlockChain and cryptocurrency is an actual topic for humanity today. There are different policies regulating cryptocurrencies, but they are still far from perfect. The difficulty of technical regulation of these systems is beyond doubt, many countries are only at the stage of discussing the status of the currencies, some are extremely supportive of them. However, it is undeniable that more and more countries will introduce regulations in the field of cryptocurrencies, focusing, firstly, on the structure of their own economy. Keywords: BlockChain, cryptocurrency, Bitcoin, mining

Peculiarities of nanocrystalline silicon films growth on porous anodic alumina surface

The influence of porous alumina template morphology on silicon films growth at deposition by PE CVD has been investigated. As it was shown, the structural properties of silicon phases depend on the pore geometry and surface morphology of the anodized porous alumina substrate. In case of porous alumina formation in one stage, ripple-like morphology takes place. The growth of a-Si:H film is observed at deposition. After two-stage anodization, the porous alumina has tipped/ribbed morphology. In this case, usually a-Si:H film grows on the bottom of the pores, and nc-Si:H/a-Si:H one grows on the tips. In the case of deep pores, the nanocrystalline nc-Si:H film grows only above the top of the pores. The obtained results could be used when developing new types of photocells, sensors, nanophotonics and ionics devices