The security check for NuCypher (NU) on Ethereum is rated medium risk. The rating is driven by holder concentration and low DEX liquidity. The automated checks for common contract tricks such as a honeypot or transfer taxes did not flag them.

• Selling and buying: the check did not flag a honeypot and found no limits on selling all tokens or on buying. It also found no trading cooldown and no anti-whale limits.
• Taxes: the buy tax is 0% and the sell tax is 0%.
• Owner powers: the check reports no active owner (renounced or no owner function). It found no minting, upgradeable proxy, blacklist function, transfer pause, ability to change balances, hidden owner or self-destruct function. The source code is verified.
• Holder concentration (a reason for the medium rating): the top 10 holders hold 99.2% of supply and the largest holder has 65.2%. There are 30,767 holders. The check notes that burn and locked addresses are excluded and that top holders can include exchange wallets and contracts.
• DEX liquidity (a reason for the medium rating): there are 4 pools with $17.7K of liquidity. 0% of LP tokens are reported as locked or burned. The 24-hour trading volume is $127.