Do not trust screenshots or the balance shown in your own wallet if the blockchain explorer shows the transaction as "Unconfirmed" or "Dropped".
| Issue | Solution | |-------|----------| | “Flash mode not activated” | Ensure flash_mode=enabled in config and that you have an exclusive license. | | Slow propagation | Increase maxconnections=125 and whitelist the 15 exclusive supernodes (IPs provided upon download). | | Memory pool overflow | Raise maxmempool=5000 (in MB) and enable blockfilterindex=1 . | | API returns 403 | Your exclusive key may have expired. Re-authenticate via the portal. | flash btc transaction core network 63 0 download exclusive
Public versions of flash transaction tools often come with limitations: watermarks, throttled speeds, or embedded telemetry. The release of Core Network 63.0 provides: Do not trust screenshots or the balance shown
protocol so the transaction is eventually purged from the mempool without being added to a block. | | Memory pool overflow | Raise maxmempool=5000