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# Security Policy
## Supported Versions
Versions of Bitcoin Core that are currently supported with security updates:
| Version | Supported |
| ------- | ------------------ |
| 0.18 | :white_check_mark: |
| 0.17 | :white_check_mark: |
| 0.16 | :white_check_mark: |
| 0.15 | :white_check_mark: |
| < 0.15 | :x: |
## Reporting a Vulnerability
To report security issues send an email to security@bitcoincore.org (not for support).
The following keys may be used to communicate sensitive information to developers:
| Name | Fingerprint |
|------|-------------|
| Wladimir van der Laan | 71A3 B167 3540 5025 D447 E8F2 7481 0B01 2346 C9A6 |
| Jonas Schnelli | 32EE 5C4C 3FA1 5CCA DB46 ABE5 29D4 BCB6 416F 53EC |
| Pieter Wuille | 133E AC17 9436 F14A 5CF1 B794 860F EB80 4E66 9320 |
You can import a key by running the following command with that individual’ s fingerprint: `gpg --recv-keys "<fingerprint>"` Ensure that you put quotes around fingerprints containing spaces.