How much gigabytes of storage can ethereum block chain handle? And what is the mechanism of distributing data all over the network?

I have read about block chain technology, I became interested in the fact that block chain works like a global distributed data-base and computer, which is amazing. However, that global computer for sure has a maximum memory storage capacity. I am asking for an estimate to that, even though I know it is too much.…

error while installing web3 in ubuntu

gyp WARN install got an error, rolling back install gyp WARN install got an error, rolling back install gyp ERR! configure error gyp ERR! stack Error: EACCES: permission denied, mkdir ‘/usr/lib/node_modules/we b3/node_modules/sha3/.node-gyp’ gyp ERR! System Linux 4.15.0-70-generic gyp ERR! command “/usr/bin/node” “/usr/lib/node_modules/npm/node_modules/node-gy p/bin/node-gyp.js” “rebuild” gyp ERR! cwd /usr/lib/node_modules/web3/node_modules/sha3 gyp ERR! node -v v12.13.1 gyp ERR!…