Coinbase - Bitcoin, safe and easy.
Fondu - Open source free ICO smart-contract builder
SpectroCoin - Bitcoin debit card and wallet
thirdweb - thirdweb is an ecosystem of SDKs, dev tools, and dashboards that help teams build and manage web3 apps. Deploy custom or pre-built contracts to ETH, MATIC, AVAX, & more.
Ledger Nano S - A secure Bitcoin and Ethereum hardware wallet
PAID Network - PAID network's SMART agreements will transform business