Crafting Cryptocurrency Wallets with Swift for iOS

Image Credit: Medium Feb 19, 2024 By: Bhumi Shrivastava

Cryptocurrency Wallets

[{"selector":"#anim-d1999f06-0068-4069-a2c5-145809a66cfc","keyframes":{"opacity":[0,1]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-64d82bea-b4c4-4ad0-863b-66712572ea3f","keyframes":{"transform":["translate3d(-115.68628%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bc4c2344-33cb-4a63-a1df-08714ba1bc17","keyframes":{"opacity":[0,1]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-41a08c53-afe9-4a97-9b6e-cc6327b19065","keyframes":{"transform":["translate3d(-114.95328%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-11f5aa5e-7021-4df8-b366-e5354fd54b55","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e8246f6e-7b93-4b9c-a718-628f214e3b9d","keyframes":{"transform":["translate3d(-95.35452%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2c7c144b-5943-4bb4-be7f-709b17bc742e","keyframes":{"opacity":[0,1]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-24237a73-b94d-49d8-8892-818a007fd20e","keyframes":{"transform":["translate3d(-154.2735%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Gain a comprehensive understanding of how to securely store, send, and receive various digital currencies on your iOS device. Image Credit: N26

Development Environment

[{"selector":"#anim-538c7979-7745-49df-8e17-00c84a7468f2","keyframes":{"opacity":[0,1]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-01df17a8-f71d-413f-b18c-7f3a4a4651a5","keyframes":{"transform":["translate3d(-114.81482%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a3e4ccf3-69fe-46a4-b5ca-8dbb7e619fff","keyframes":{"opacity":[0,1]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-053dbcc7-d0aa-4f42-9b54-023edc1a8053","keyframes":{"transform":["translate3d(-115.28663%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-05e87c55-5bf3-48ea-a754-31e8713cbaa2","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-beb26ce5-ad7e-432c-8ffb-0a7ea3014807","keyframes":{"transform":["translate3d(-97.00748%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1b7ac927-7bb8-41c7-b058-40f690458769","keyframes":{"opacity":[0,1]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9d149816-ca1a-4819-b573-9f4dbf4763ca","keyframes":{"transform":["translate3d(-175%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Begin your journey by downloading and installing Xcode, Swift, and other essential tools required for iO S app development from the Mac App Store at no cost. Image Credit: DataDrivenInvestor

Wallet Architecture

[{"selector":"#anim-47ee326d-65bd-4739-a0cb-6b80af4387d2","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ddeba21c-0301-4cf9-8edc-ebde0d2226a3","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8966c8b3-f3ee-487a-bf4a-2cec309e59a3","keyframes":{"opacity":[0,1]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4109be62-8e20-4c97-9699-b3159a33e5f5","keyframes":{"transform":["translate3d(-115.2381%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-16bb4ce2-bc82-4037-a412-bbef41a03df7","keyframes":{"opacity":[0,1]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-15c41c0b-a19d-4cc6-823a-7e0ebaf9ed44","keyframes":{"transform":["translate3d(-172.03791%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6157c02b-ef20-41fb-9be3-9bbf8947b16e","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8b72ac4a-ceba-4f92-80f4-cb24fca3af50","keyframes":{"transform":["translate3d(-88.8631%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Deliberate between hot wallets, which are online and suitable for everyday transactions, or cold wallets, offering enhan ced security for long-term asset storage by keeping private keys offline. Image Credit: CoinSutra

Implementing Key Features

[{"selector":"#anim-5eea3535-10df-40e9-8d47-76effdd64b89","keyframes":{"opacity":[0,1]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bfc2d574-8a2d-4da6-b72e-19d5ee695196","keyframes":{"transform":["translate3d(-115.2381%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-29a78158-dc56-4f60-90a6-bb7987c9f983","keyframes":{"opacity":[0,1]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-82b51732-cc0e-46aa-8627-9daf66b0e022","keyframes":{"transform":["translate3d(-115.48388%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a9d2e415-0337-48b2-8fc7-39a68050045c","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8f9241db-957b-4396-9075-5e1803ab16db","keyframes":{"transform":["translate3d(-82.55319%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-dae03905-ab86-420b-a1d8-bb97921abfdd","keyframes":{"opacity":[0,1]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-83ffdb73-6359-4091-a42c-470fef8cd7c6","keyframes":{"transform":["translate3d(-185.1282%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Dive into the development process by enabling users to create and restore wallets securely, manage cryptog raphic keys, and generate unique wallet addresses effortlessly. Image Credit: Coinesper

Handling Transactions

[{"selector":"#anim-238ca3be-fece-4045-96da-aef62eef9a7b","keyframes":{"opacity":[0,1]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-80436aff-37d4-4903-8c0c-572809093f21","keyframes":{"transform":["translate3d(-114.45784%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-62474638-53e3-44fc-8624-3086c6d2fd71","keyframes":{"opacity":[0,1]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c652b0a6-1f2d-436c-9266-ef9b295a66f3","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-93610deb-3660-4ac7-903a-cf08119a068b","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f41db8b8-d964-4b17-8d44-0a089858f229","keyframes":{"transform":["translate3d(-83.16009%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-42fd077c-9ca1-47d7-806b-9c99fcb01c12","keyframes":{"opacity":[0,1]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9e913d2d-d49d-4c5b-b760-a5b091468013","keyframes":{"transform":["translate3d(-141.08528%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Ensure a seamless user experience by implementing features that facilitate the smooth sending and recei ving of digital currencies within the app. Image Credit: LinkedIn

Support Multiple Currencies

[{"selector":"#anim-9e59f353-f572-4090-bc66-9e9e7501ec45","keyframes":{"opacity":[0,1]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-46895172-b6d9-4ada-8d39-0912504960db","keyframes":{"transform":["translate3d(-113.79311%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4c0aa238-82ef-46f6-811a-66a765208ac4","keyframes":{"opacity":[0,1]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4cca3464-ef69-4d4b-9c0c-6e679ed6d613","keyframes":{"transform":["translate3d(-115.09434%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cd488eb3-19a0-4dfd-9a12-ed8cf17ffc04","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c16034a3-514e-4c59-89c9-cdd351c51278","keyframes":{"transform":["translate3d(-74.28023%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-eb8f50f6-db45-4076-91e6-8a7c20d49bbe","keyframes":{"opacity":[0,1]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-541ef081-8db2-4599-91a9-0b4e59a7bfb8","keyframes":{"transform":["translate3d(-152.52102%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Enhance the utility of your wallet application by incorporating support for managing various cryptocur rencies, empowering users to diversify their digital asset portfolios conveniently. Image Credit: TNT Magazine

Security Measures

[{"selector":"#anim-278f277a-3e06-488b-882f-bd819e8ac3dd","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ec2b9505-fbca-4a13-ba36-8d4ecb55e729","keyframes":{"transform":["translate3d(-73.48485%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2087bf81-7be9-4fc8-a598-6f0363c6f04a","keyframes":{"opacity":[0,1]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7564f2e0-7927-4033-86d0-5cbd9c4f208e","keyframes":{"transform":["translate3d(-115.09434%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b975b377-24e7-43d1-9c0c-e2df4226eb5c","keyframes":{"transform":["translate3d(-115.09434%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f6582aaf-2bca-4743-ab29-8cf5b4c77af3","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5078c897-b957-4073-87bb-e8338e19b64a","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-7e20ea95-793b-4d67-91d9-5ae3a430810b","keyframes":{"opacity":[0,1]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-07b4c358-27ee-4de4-a0ad-54a1b39ed145","keyframes":{"transform":["translate3d(-152.52102%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Strengthen the security of your app with advanced features like biometric authentication, robust encrypti on methods, and optional PIN/password protection to safeguard users' sensitive information. Image Credit: Medium

Testing, Tweaking, and Releasing

[{"selector":"#anim-97c6decf-4ae4-4460-b92a-c64565a4b5a5","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2da06ed5-32e0-44d4-8c75-65fb34a878c3","keyframes":{"transform":["translate3d(-74.23077%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-911c0697-018f-45d1-b2b2-a025f577cb73","keyframes":{"opacity":[0,1]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-00b49879-b675-4bec-87f2-1fafd6a0a080","keyframes":{"transform":["translate3d(-115.09434%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-87ab9e31-24d7-41fe-b4eb-2a7d199e7ab1","keyframes":{"transform":["translate3d(-115.18988%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9c9f80bf-2a5c-420e-82e9-3bca054739df","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-727e5080-74d7-48ee-a776-82298aff186f","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-d1c82408-7cf9-4da1-af67-b4f40276c4bb","keyframes":{"opacity":[0,1]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-38e2b604-0e36-4d78-812f-aba53b6c1312","keyframes":{"transform":["translate3d(-152.52102%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Prioritize thorough testing to identify and rectify any potential issues, ensuring the functionality, security, and overall user experience meet high standards before submittin g your app to the Apple App Store for deployment. Image Credit: Token Matrics

[{"selector":"#anim-41c96534-51e4-4802-8f59-81a0ffdb32f8","keyframes":{"transform":["scale(1)","scale(1.5)","scale(0.95)","scale(1)"],"offset":[0,0.33,0.66,1]},"delay":0,"duration":1450,"easing":"ease-in-out","fill":"both","iterations":1}] Next: Robert Kiyosaki's Big Bet: Bitcoin to Hit $100K by June 2024 See more