Bitcoin has set a new all-time high but since declined confirming increasing selling pressures. However, technical picture remain bullish as long as key support hold. Monitor the key support at 4478. Strong support lies very far at 3599 (22/08/2017 low). Key resistance can be located at 4921.
In the long-term, the digital currency has had an exponential growth. There are decent likelihood that the asset will reach $10’000.