Polkadot (DOT), Kusama (KSM) and Cardano (ADA) are leading the crypto space in terms of “notable” GitHub development activity, according to the crypto analytics firm Santiment. Santiment notes that Polkadot and its canary test network Kusama both registered 591.47 Github commits in the past 30 days, leading all other crypto assets. Ethereum (ETH) competitor Cardano registered 531.