# Functional Specs

- [btc-refunds](/supporting-and-reference-docs/sidechain-operator-node-development/bitcoin-sidechain-docs/functional-specs-1/functional-specs.md)
- [voting-and-consensus](/supporting-and-reference-docs/sidechain-operator-node-development/bitcoin-sidechain-docs/functional-specs-1/voting-and-consensus.md)
- [son-switchover](/supporting-and-reference-docs/sidechain-operator-node-development/bitcoin-sidechain-docs/functional-specs-1/son-switchover.md)
- [son-rewards](/supporting-and-reference-docs/sidechain-operator-node-development/bitcoin-sidechain-docs/functional-specs-1/son-rewards.md)
- [son-proposals](/supporting-and-reference-docs/sidechain-operator-node-development/bitcoin-sidechain-docs/functional-specs-1/son-proposals.md)
- [son-configuration](/supporting-and-reference-docs/sidechain-operator-node-development/bitcoin-sidechain-docs/functional-specs-1/son-configuration.md)
- [heartbeat-monitoring](/supporting-and-reference-docs/sidechain-operator-node-development/bitcoin-sidechain-docs/functional-specs-1/heartbeat-monitoring.md)
- [BTC Transaction Processing & Signing](/supporting-and-reference-docs/sidechain-operator-node-development/bitcoin-sidechain-docs/functional-specs-1/btc-transaction-processing-and-signing.md)
- [Bitcoin Withdrawal Handling](/supporting-and-reference-docs/sidechain-operator-node-development/bitcoin-sidechain-docs/functional-specs-1/bitcoin-withdrawal-handling.md)
- [Bitcoin Deposit Handling](/supporting-and-reference-docs/sidechain-operator-node-development/bitcoin-sidechain-docs/functional-specs-1/bitcoin-deposit-handling.md)
- [SON Multisig Bitcoin Wallet](/supporting-and-reference-docs/sidechain-operator-node-development/bitcoin-sidechain-docs/functional-specs-1/son-multisig-bitcoin-wallet.md)