The popular smart contract platform Cardano ($ADA) has maintained its top stop in cryptocurrency development activity after surpassing the “blockchain of blockchains” Polkadot ($DOT) and its public pre-production environment Kusama ($KSM). According to data from on-chain analytics firm Santiment, Cardano saw its development activity tower over other major cryptocurrencies, with Hedera ($HBAR) following Polkadot and
