TL;DR Breakdown Block (SQ), owned by Jack Dorsey, will integrate Bitkey, its new self-custody Bitcoin wallet, with Cashapp and Coinbase. BitKey is a Bitcoin hardware wallet developed by Block, previously Square, and linked with Jack Dorsey. BitKey’s wallet has yet to be available, despite its introduction. The BitKey external beta testing requires a quick application. Grossman said Block plans to deploy the wallet later this year, although she did not specify a quarter. Two major companies in the crypto industry, Coinbase, and Cash App, have announced that they will be integrating Jack Dorsey’s Bitcoin self-custody wallet. This partnership is a monumental advance in the widespread use of decentralized finance, giving investors greater discretion over their digital possessions. The expanding use of self-custody wallets With more and more people desiring to take complete charge and ownership of their digital assets, self-custody wallets have become increasingly popular. To use a conventional crypto exchange, consumers must place their faith in the platform to safely store their funds. The risk of having one’s cash stolen or lost in the event of a platform failure…