Energia Eólica https://www.ledgerinsights.com/energy-web-blockchain-store-wind-energy-in-batteries-germany Gás https://www.ledgerinsights.com/blockchain-gas-distribution-argentina-gasnet-gasnor-enargas-rsk Enterprise Blockchain Fails https://www.coindesk.com/why-enterprise-blockchains-fail-no-economic-incentives