The electronic settlement system for UK and Irish securities operated by Euroclear (www.practicallaw.com/9-107-6240). It offers firms and individual investors the opportunity of holding securities in uncertificated form (www.practicallaw.com/A37142) and transferring them electronically.
For more information, see Practice note, An introduction to CREST (www.practicallaw.com/5-508-0697).