The transactions could be viewed by all parties, and there would be no third-party involvement in handling any funds. The maximum number of bitcoins that can enter circulation is 21 million. The amount of ETH that can be created is unlimited, although the time it takes to process a block of ETH limits how much [...]

How quickly the last part of the process is completed will depend on the blockchain used at the time. Purchasing on a DEX depends on the blockchain’s speed, too, but you won’t have to wait for anything else if you’re using a DEX. Then, the transaction may be processed further or wait to get into [...]