Bitcoin Cash (BCH) underwent its third system upgrade on November 15, 2018. To help users track upgrade progress and safeguard their BCH assets from replay attacks, BTC.com introduced two specialized tools.
1. BCH Network Upgrade Tracker
The upgraded BCH block explorer now features a dedicated network upgrade page, displaying real-time comparisons of block production and on-chain transactions between post-fork chains. Key features:
- Forked block identification: The first post-fork block is highlighted in the explorer’s block list.
- Dual-chain analytics: Monitor hashrate distribution and transaction volumes across both chains.
For details, visit: BCH Block Explorer.
2. Replay Protection Tool
The BCH upgrade risked replay attacks—where a transaction on one chain could replicate on the other, potentially draining assets. BTC.com’s replay protection tool mitigates this:
How to Use:
Access the tool:
- Direct link: Replay Protection Tool
- Or navigate via the BTC.com explorer’s toolbar.
Submit wallet address:
- New users must register (provide accurate contact details for notifications).
Complete payment:
- Scan via wallet app to pay a nominal fee (shown at checkout).
- Critical: Do not transact with BCH after submission.
Receive confirmation:
- Post-upgrade, BTC.com sends 0.00001000 BCH to submitted addresses and notifies users.
Prepare a new BCH address:
- Must be unused (zero transactions/balance).
Verify status:
- Check the order list for replay protection status.
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Support: Contact [email protected] or leave a backend message.
Pro Tip: Coin Split Guide
BTC.com translated Mark B. Lundeberg’s Coin Splitter Guide (with permission) to help users self-manage replay protection. Download: GitHub Guide.
FAQ
Q1: What’s a replay attack?
A: When a transaction valid on both post-fork chains gets duplicated, risking unintended asset transfers.
Q2: Is the replay tool free?
A: No—a small fee covers processing (exact cost shown during checkout).
Q3: How soon does protection activate?
A: After the first post-fork block; notifications follow via email/SMS.
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Q4: Can I reuse an old BCH address?
A: No—only brand-new addresses ensure protection.
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