When a trial begins and evidence is admitted at trial, which of the following proves that the evidence presented at trial is the same evidence that was secured from the crime scene?

MD$\text{'}5$ Hash Algorithm

Oral testimony by the evidence seizing officer

Chain of custody

SHA$-1$ or SHA$-2$ hash algorithms because they are much better than MD$5$

Digital Pictures taken during seizure

Transaction Log

Sworn testimony by the defendant