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bitokd-static-0.3.19.8-linux-x86_64.tar.gz 2026-01-26 3.4 MB
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bitok-macos-arm64.zip 2026-01-26 32.5 MB
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bitok-macos-x86_64.zip 2026-01-26 34.1 MB
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bitokd-macos-x86_64.zip 2026-01-26 23.2 MB
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bitok-gui-0.3.19.8-linux-x86_64.tar.gz 2026-01-26 933.3 kB
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bitok-0.3.19.8-win64.zip 2026-01-26 9.7 MB
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bitokd-macos-arm64.zip 2026-01-26 22.7 MB
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SHA256SUMS 2026-01-26 661 Bytes
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Bitok 0.3.19.8 - Security Hardening source code.tar.gz 2026-01-26 345.5 kB
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Bitok 0.3.19.8 - Security Hardening source code.zip 2026-01-26 405.7 kB
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README.md 2026-01-26 1.3 kB
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Totals: 11 Items   127.3 MB 0

This release implements critical security improvements and network reliability enhancements. All changes are backwards-compatible. No hard fork required.

Time Warp Attack Protection Prevents timestamp manipulation attacks that could artificially lower mining difficulty:

Blocks with timestamps more than 2 hours + 60 minutes ahead of parent are rejected At difficulty adjustment boundaries, suspiciously compressed timespans are blocked Soft-fork activation at block 16,000 - warnings only before activation, strict enforcement after

DNS Seed Discovery Reliable peer discovery for network bootstrapping:

seed1.bitokd.run seed2.bitokd.run seed3.bitokd.run

Hardcoded fallback nodes when DNS is unavailable

Privacy-Preserving IP Detection Removed all external HTTP service dependencies:

External IP now learned from peers via standard P2P handshake Manual configuration available via -externalip=X.X.X.X No connections to third-party services (checkip.dyndns.org, whatismyip.com removed)

Upgrade recommended for all node operators. Nodes running older versions will continue to function but won't have time warp protection after block 16,000.

See SECURITY_FIXES.md for technical details.

Source: README.md, updated 2026-01-26