Made use of Solidity smart contracts to create a shared wallet that allowed; anyone to deposit funds into the wallet, the owner to withdraw unlimited funds from the wallet, non-owners to withdraw specified amounts from the wallet, and the owner could change allowance amount.

● Made use of Solidity and truffle to create an address where customers can pay for a product using ether and stored the transaction on the Ethereum blockchain. ● After the address receives the payment for the item the item is dispatched, and the address owner can withdraw the ether.

● Managed granular permissions of users, groups and roles using IAM and policy documents to securely control access to AWS resources. ● Configures storage to S3 to provide high availability to objects using cross-region replication and used S3-Glacier with life cycle rules to automate an archival process.