Transaction fees on monero have fallen sharply after last Thursday's system-wide software update.An Australian securities regulator shuts down an ICO project planning to raise as much as $50 million.Not to be outdone, the U.S. SEC has suspended the trading of shares for a company which claimed to be offering an ICO that was registered with the regulator.Accenture says it has created an "interoperability node" that houses the rules of four major enterprise platforms.San Francisco-based smart contract security startup Synthetic Minds has raised $5.5 million for its bid to roll out a technology that analyses blockchain networks for coding bugs.