# onchain_tempo v0.7.0 - Table of Contents > Tempo blockchain primitives for Elixir — 0x76 transactions, TIP-20 tokens, RPC broadcasting, and event parsing. Built on onchain. ## Modules - [Onchain.Tempo.Faucet](Onchain.Tempo.Faucet.md): Moderato testnet faucet — wraps the non-standard `tempo_fundAddress` JSON-RPC. - [Onchain.Tempo.RPC](Onchain.Tempo.RPC.md): Tempo-specific JSON-RPC operations — transaction broadcast and receipt fetching. - [Onchain.Tempo.TIP20](Onchain.Tempo.TIP20.md): TIP-20 token function selectors, ABI calldata encoders, and Tempo constants. - [Onchain.Tempo.Transaction](Onchain.Tempo.Transaction.md): Tempo Transaction (EIP-2718 type 0x76) — RLP deserialization, payment call matching, and fee payer co-signing (0x78 domain). - [Onchain.Tempo.Transaction.Builder](Onchain.Tempo.Transaction.Builder.md): Builds and signs Tempo Transactions (EIP-2718 type 0x76). - [Onchain.Tempo.Transfer](Onchain.Tempo.Transfer.md): Tempo-specific `TransferWithMemo` event log parsing. - [OnchainTempo](OnchainTempo.md): Tempo blockchain primitives for Elixir.