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No comércio, o preço raramente se move aleatoriamente. Ele segue padrões, direções e momentum. Uma das ferramentas mais simples, mas mais poderosas, para identificar essa direção é a linha de tendência.
Uma linha de tendência não é uma ferramenta de previsão. É uma ferramenta estrutural. Os comerciantes que a usam incorretamente ficam confusos. Os comerciantes que a entendem ganham clareza.
O que é uma Linha de Tendência?
Uma linha de tendência é uma linha reta traçada em um gráfico de preços para conectar pontos-chave de preço e destacar a direção geral do mercado.
Existem dois tipos principais:
Linha de Tendência: Traçada conectando mínimos mais altos

Bitcoin is intentionally conservative by design, but that hasn’t stopped developers from pushing its boundaries. One of the newer experiments in this space is Bitcoin Stamps—a protocol that allows digital art and other data to be embedded permanently into the Bitcoin blockchain.
Inspired by earlier innovations like Ordinals, Bitcoin Stamps take a different technical approach, one that prioritizes immutability and long-term data preservation. Understanding how they work helps clarify why they stand apart and why they’ve sparked debate within the Bitcoin community.
Understanding Bitcoin Stamps
Bitcoin Stamps are digital artifacts created through the Bitcoin STAMPS protocol. Their defining characteristic is permanence. Once stamped, the data is designed to remain part of the Bitcoin blockchain indefinitely.
What makes this possible is where the data is stored. Instead of using transaction witness data, Bitcoin Stamps embed information directly into unspent transaction outputs (UTXOs). Since UTXOs are core to Bitcoin’s accounting model, data stored this way becomes part of the blockchain’s persistent state and cannot be easily pruned or discarded.
How Bitcoin Stamps Are Created
The process begins by converting a digital file—such as an image—into a base64-encoded string. This encoded data is then included in a Bitcoin transaction and marked with a specific STAMP: prefix.
Rather than storing all the data in a single output, the protocol distributes it across multiple outputs using multi-signature transactions. Once the transaction is confirmed, the data becomes inseparable from Bitcoin’s transaction history.
Each Bitcoin Stamp is assigned a unique identifier based on the order of its transaction. To qualify as a valid Stamp, the transaction must be the first to include a correctly formatted STAMP:base64 inscription, ensuring uniqueness and preventing duplication.
The Bitcoin STAMPS Protocol
Bitcoin Stamps are built on two closely related standards that define how data and tokens are handled.
SRC-20 is based on the open Counterparty protocol. It allows arbitrary data to be embedded in spendable transaction outputs rather than witness data. This design choice is critical, as it prevents pruning and ensures long-term data persistence.
SRC-721 focuses on non-fungible assets. It enables more complex NFTs by breaking images into layers and optimizing storage using techniques such as indexed color palettes. These layers can later be reconstructed into a complete image, allowing higher-quality artwork without excessive on-chain data usage.
Bitcoin Stamps vs. Bitcoin Ordinals
While both Bitcoin Stamps and Ordinals allow data inscriptions on Bitcoin, they differ fundamentally in design.
Ordinals store data in the witness portion of transactions. This approach is efficient but comes with a trade-off: witness data can be pruned by nodes over time. Bitcoin Stamps avoid this risk by embedding data directly into UTXOs, making the content effectively permanent.
There are also differences in flexibility and cost. Bitcoin Stamps support variable image sizes, starting from roughly 24×24 pixels and scaling upward. Larger images require more data, which increases transaction fees. Ordinals, constrained by block size limits, offer more predictable costs but less flexibility.
From a security standpoint, Bitcoin Stamps rely on multi-signature transaction structures, while Ordinals typically use single-signature transactions. This adds an additional layer of robustness to stamped data.
Why Bitcoin Stamps Matter
Bitcoin Stamps represent a philosophical shift in how Bitcoin can be used without altering its base-layer rules. They demonstrate that permanent digital artifacts can exist on Bitcoin with strong guarantees of immutability and censorship resistance.
At the same time, they revive ongoing debates about block space efficiency and network bloat. Embedding large amounts of data directly into UTXOs is powerful, but it also raises concerns about long-term scalability and resource usage.
Final Thoughts
Bitcoin Stamps offer a unique approach to embedding digital art and data on the Bitcoin blockchain, emphasizing permanence and long-term integrity. By storing data in UTXOs and using multi-signature transactions, they differ significantly from Ordinals in both technical design and underlying philosophy.
Whether Bitcoin Stamps become a lasting standard or remain a niche experiment, they reinforce one key idea: innovation on Bitcoin is not slowing down—it is simply evolving within the network’s carefully constrained framework.
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Um pedido de mercado é um dos tipos de ordem mais simples e amplamente utilizados no trading. Permite ao trader comprar ou vender um ativo imediatamente ao melhor preço disponível no mercado. Devido à sua velocidade e facilidade de uso, geralmente é o primeiro tipo de ordem que iniciantes encontram ao negociar criptomoedas, ações ou forex.
No entanto, os pedidos de mercado priorizam a velocidade de execução em detrimento da certeza de preço. Compreender como eles funcionam – e quando devem ser evitados – é essencial para reduzir custos desnecessários no trading.