v1.21.0

What's Changed

Exciting New Features 🎉

• Add Crypto.isValidAddress function by @samuelmanzanera in #194
• feat(keychain): add toJSON() method to Keychain class by @Rudy-Perrin in #198
• Handle custom errors codes/messages by @samuelmanzanera in #206
• 🚧 Add WebChannel RPC transport layer. by @Chralu in #181
• feat(crypto): Add encryption functionality by @Rudy-Perrin in #196
• Add function to deploy contract by @samuelmanzanera in #213

Bug Fixes

• fix(toBigInt): refactor function and improve tests by @Rudy-Perrin in #197

Other Changes

• Refactor codebase and fix bugs by @Rudy-Perrin in #192
• onAccountChange instead of onCurrentAccountChange by @Chralu in #209
• Improve transaction builder by @samuelmanzanera in #204

Full Changelog: 1.20.3...v1.21.0