Take things slowly and share more information when you feel comfortable doing so.
Money Requests Are Your Red Light - Why would someone need to borrow money off somebody they have never met, or only just met?
Dating services run mail and chat so you can get to know people in a safer and [monitored/controlled] way. Use their platform and the added security it gives.
If and when you do decide to share an e-mail address think about creating a separate and anonymous email address.
- Stop communicating with anyone who attempts to pressure you into providing your personal or financial information or who seems to be trying to trick you into providing it.
If this happens contact the dating provider immediately to not only protect yourself but other users too.
The vast majority of people using dating sites are sincere and honest in the information they provide and in their reasons for joining.